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What is a general ledger account?
A general ledger
account is an account or record used to sort and store balance sheet and income
statement transactions. Examples of general ledger accounts include the asset
accounts such as Cash, Accounts Receivable, Inventory, Investments, Land, and
Equipment. Examples of the general ledger liability accounts include Notes
Payable, Accounts Payable, Accrued Expenses Payable, and Customer Deposits.
Examples of income statement accounts found in the general ledger include
Sales, Service Fee Revenues, Salaries Expense, Rent Expense, Advertising
Expense, Interest Expense, and Loss on Disposal of Assets.
Some general ledger
accounts are summary records which are referred to as control accounts. The
detail that supports each of the control accounts will be found outside of the
general ledger in what is known as a subsidiary ledger. For example, Accounts
Receivable could be a control account in the general ledger, and there will be
a subsidiary ledger which contains each customer's credit activity. The general
ledger accounts Inventory, Equipment, and Accounts Payable could also be
control accounts and for each there will be a subsidiary ledger containing the
supporting detail.
A listing of a
company's general ledger accounts is found in its Chart of Accounts.
Introduction to Debits and Credits
If the words "debits" and "credits"
sound like a foreign language to you, you are more perceptive than you
realize—"debits" and "credits" are words that have been
traced back five hundred years to a document describing today's double-entry
accounting system.
Under the double-entry system every business transaction is
recorded in at least two accounts. One account will receive a "debit"
entry, meaning the amount will be entered on the left side of that account.
Another account will receive a "credit" entry, meaning the amount
will be entered on the right side of that account. The initial challenge with
double-entry is to know which account should be debited and which account
should be credited.
Before we explain and illustrate the debits and credits in
accounting and bookkeeping, we will discuss the accounts in which the debits
and credits will be entered or posted.
What Is An Account?
To keep a company's financial data organized, accountants
developed a system that sorts transactions into records called accounts. When a
company's accounting system is set up, the accounts most likely to be
affected by the company's transactions are identified and
listed out. This list is referred to as the company's chart of accounts. Depending
on the size of a company and the complexity of its business operations, the
chart of accounts may list as few as thirty accounts or as
many as thousands. A company has the flexibility of tailoring its chart of
accounts to best meet its needs.
Within the chart of accounts the balance sheet accounts are
listed first, followed by the income statement accounts. In other words, the
accounts are organized in the chart of accounts as follows:
Assets
Liabilities
Owner's (Stockholders') Equity
Revenues or Income
Expenses
Gains
Losses
Click here to see a sample chart of accounts.
Double-Entry Accounting
Because every business transaction affects at least two
accounts, our accounting system is known as a double-entry system. (You can
refer to the company's chart of accounts to select the proper accounts.
Accounts may be added to the chart of accounts when an
appropriate account cannot be found.)
For example, when a company borrows $1,000 from a bank, the
transaction will affect the company's Cash
account and the company's Notes Payable account. When the
company repays the bank loan, the Cash
account and the Notes Payable account are also involved.
If a company buys supplies for cash, its Supplies account
and its Cash account will be affected. If the company
buys supplies on credit, the accounts involved are Supplies
and Accounts Payable.
If a company pays the rent for the current month, Rent
Expense and Cash are the two accounts involved. If a
company provides a service and gives the client 30 days in
which to pay, the company's Service Revenues
account and Accounts Receivable are affected.
Although the system is referred to as double-entry, a
transaction may involve more than two accounts. An example of a transaction
that involves three accounts is a company's loan payment to its bank of $300.
This transaction will involve the following accounts: Cash, Notes Payable, and
Interest Expense.
(If you use accounting software you may not actually see
that two or more accounts are being affected due to the user-friendly nature of
the software. For example, let's say that you write a company check by means of
your accounting software. Your software automatically reduces your Cash account
and prompts you only for the other accounts affected.)
Special Feature Review what you are learning by working the
three interactive crossword puzzles dedicated to this topic. They are
completely free.
Click here for the Debits and Credits Crossword Puzzles
Debits and Credits
After you have identified the two or more accounts involved
in a business transaction, you must debit at least one account and credit at
least one account.
To debit an account means to enter an amount on the left
side of the account. To credit an account means to enter an amount on the right
side of an account.
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How do you write off a bad account?
There are two ways to
write off a bad account receivable. One is the direct write-off method and the
other occurs under the allowance method.
Under the direct
write-off method a company writes off a bad account receivable after the
specific account is found to be uncollectible. This write off usually occurs
many months after the account receivable and the credit sale were recorded. The
entry to write off the bad account will consist of 1) a credit to Accounts
Receivable in order to remove the amount that will not be collected, and 2) a
debit to Bad Debts Expense to report the amount of the loss on the company's
income statement.
Under the allowance
method a company anticipates that some of its credit sales and accounts
receivable will not be collected. In other words, without knowing the specific
accounts that will become uncollectible, the company debits Bad Debts Expense
and credits Allowance for Doubtful Accounts. This Allowance account is a contra
receivable account and it allows the company to report the net amount of the
receivables that it expects will be turning to cash prior to identifying and
removing a specific account receivable. When a specific customer's account does
present itself as uncollectible, the customer's account will be written off by
crediting Accounts Receivable and debiting Allowance for Doubtful Accounts.
In the U.S. the direct
write-off method is required for income tax purposes. However, for financial
reporting purposes the allowance method means recognizing the loss (the bad
debts expense) closer to the time of the credit sales. As a result, the
allowance method is more in line with the accountants' concept of conservatism
and may result in a better matching of the bad debt expense with the credit
sales.
What is a trade discount?
A trade discount is a
reduction to the published price of a product. For example, a high-volume
wholesaler might be entitled to a 40% trade discount, while a medium-volume
wholesaler is given a 30% trade discount. A retail customer will receive no
trade discount and will have to pay the published or list price. The use of
trade discounts allows for having just one published price for each product.
The sale and purchase
will be recorded at the amount after the trade discount is subtracted. For
example, when goods with list prices totaling $1,000 are sold to a wholesale
customer entitled to a 30% trade discount, both the seller and the buyer will
record the transaction at the net amount of $700.
Trade discounts are
different from early-payment discounts. (Early-payment discounts of 1% or 2%
are likely to be recorded by the seller as a sales discount and by the buyer
using the periodic inventory method as a purchase discount.)
Introduction to Accounts Receivable and Bad Debts Expense
If we imagine buying something, such as groceries, it's easy
to picture ourselves standing at the checkout, writing out a personal check,
and taking possession of the goods. It's a simple transaction—we exchange our
money for the store's groceries.
In the world of business, however, many companies must be
willing to sell their goods (or services) on credit. This would be equivalent
to the grocer transferring ownership of the groceries to you, issuing a sales
invoice, and allowing you to pay for the groceries at a later date.
Whenever a seller decides to offer its goods or services on
credit, two things happen: (1) the seller boosts its potential to increase
revenues since many buyers appreciate the convenience and efficiency of making
purchases on credit, and (2) the seller opens itself up to potential losses if
its customers do not pay the sales invoice amount when it becomes due.
Under the accrual basis of accounting (which we will be
using throughout our discussion) a sale on credit will:
Increase sales or sales revenues, which are reported on the
income statement, and
Increase the amount due from customers, which is reported as
accounts receivable—an asset reported on the balance sheet.
If a buyer does not pay the amount it owes, the seller will
report:
A credit loss or bad debts expense on its income statement,
and
A reduction of accounts receivable on its balance sheet.
With respect to financial statements, the seller should
report its estimated credit losses as soon as possible using the allowance
method. For income tax purposes, however, losses are reported at a later date
through the use of the direct write-off method.
Recording Services Provided on Credit
Assume that on June 3, Malloy Design Co. provides $4,000 of
graphic design service to one of its clients with credit terms of net 30 days.
(Providing services with credit terms is also referred to as providing services
on account.)
Under the accrual basis of accounting, revenues are
considered earned at the time when the services are provided. This means that
on June 3 Malloy will record the revenues it earned, even though Malloy will
not receive the $4,000 until July. Below are the accounts affected on June 3,
the day the service transaction was completed:
In this transaction, the debit to Accounts Receivable
increases Malloy's current assets, total assets, working capital, and
stockholders' (or owner's) equity—all of which are reported on its balance sheet.
The credit to Service Revenues will increase Malloy's revenues and net
income—both of which are reported on its income statement.
Introduction to Income Statement
The income statement is one of the major financial
statements used by accountants and business owners. (The other major financial
statements are the balance sheet,
statement of cash flows, and the
statement of stockholders' equity.) The income statement is
sometimes referred to as the profit and loss
statement (P&L), statement of operations, or statement
of income. We will use income statement and profit and loss statement
throughout this explanation.
The income statement is important because it shows the
profitability of a company during the time interval specified in its heading.
The period of time that the statement covers is chosen by the business and will
vary. For example, the heading may state:
"For the Three Months Ended December 31, 2012"
(The period of October 1 through December 31, 2012.)
"The Four Weeks Ended December 27, 2012" (The
period of November 29 through December 27, 2012.)
"The Fiscal Year Ended June 30, 2013" (The period
of July 1, 2012 through June 30, 2013.)
Keep in mind that the income statement shows revenues,
expenses, gains, and losses; it does not show cash receipts (money you receive)
nor cash disbursements (money you pay out).
People pay attention to the profitability of a company for
many reasons. For example, if a company was not able to operate profitably—the
bottom line of the income statement indicates a net loss—a
banker/lender/creditor
may be hesitant to extend additional credit to the company.
On the other hand, a company that has operated profitably—the bottom line of
the income statement indicates a net income—demonstrated its ability to use
borrowed and invested funds in a successful manner. A
company's ability to operate profitably is important to current lenders and
investors, potential lenders and investors, company management, competitors,
government agencies, labor unions, and others.
The format of the income statement or the profit and loss
statement will vary according to the complexity of the business activities.
However, most companies will have the following elements in their income
statements:
A. Revenues and Gains
1. Revenues from primary activities
2. Revenues or income from secondary activities
3. Gains (e.g., gain on the sale of long-term assets, gain
on lawsuits)
B. Expenses and Losses
1. Expenses involved in primary activities
2. Expenses from secondary activities
3. Losses (e.g., loss on the sale of long-term assets, loss
on lawsuits)
If the net amount of revenues and gains minus expenses and
losses is positive, the bottom line of the profit and loss statement is labeled
as net income. If the net amount (or bottom line) is negative, there is a net
loss.
A. Revenues and Gains
1. Revenues from primary activities are often referred to as
operating revenues. The primary activities of a retailer are purchasing
merchandise and selling the merchandise. The primary activities of a
manufacturer are producing the products and selling them. For retailers,
manufacturers, wholesalers, and distributors the revenues resulting from their
primary activities are referred to as sales revenues or sales. The primary
activities of a company that provides services involve acquiring expertise and
selling that expertise to clients. For companies providing services, the
revenues from their primary services are referred to as service revenues or
fees earned. (Some people use the word income interchangeably with revenues.)
It's critical that you don't confuse revenues with receipts.
Under the
accrual basis of accounting, service
revenues and sales revenues are shown at the top of the
income statement in the period they are earned or delivered, not in the period
when the cash is collected. Put simply, revenues occur when money is earned,
receipts occur when cash is received.
For example, if a retailer gives customers 30 days to pay,
revenues occur (and are reported) when the merchandise is sold to the buyer,
not when the cash is received 30 days later. If merchandise is sold in
December, the sale is reported on the December income
statement. When the retailer receives the check in January for the December
sale, the retailer has a January receipt—not January revenues.
Similarly, if a consulting company asks clients to pay
within 30 days of receiving their service, revenues occur (and are reported)
when the service is performed (earned), not 30 days later when the consulting
company receives the cash from the client.
If an attorney requires a client to prepay $1,000 before
beginning to research the client's case, the attorney has a receipt, but does
not have revenues until some of the research is done.
If a company sells an item to a buyer who immediately pays
for it with cash, the company has both a receipt and revenues for that day—it
has a cash receipt because it received cash; it has sales revenues because it
sold merchandise.
By knowing the difference between receipts and revenues, we
make certain that revenues from a transaction are reported only once—when the
primary activities have been completed (and not necessarily when the cash is
collected).
Let's reinforce the distinction between revenues and
receipts with a few more examples. (Keep in mind that all of the examples below
assume the accrual basis of accounting.)
A company borrows $10,000 from its bank by signing a
promissory note due in 90 days. The company
will have a receipt of $10,000 at the time of the loan, but
it does not have revenues because it did not earn the money from performing a
service or from a sale of merchandise.
If a company provided a $1,000 service on January 31 and
gave the customer until March 10 to pay for the service, the company's January
income statement will show revenues of $1,000. When the money is actually
received in March, the March income statement will not show revenues for this
transaction. (In March the company will report a receipt of cash and a
reduction/collection of an accounts receivable.)
A company performs a $400 service on December 31 and
receives the $400 on the very same day (December 31). This company will report
$400 in revenues on December 31—not because the company had a cash receipt on
December 31, but because the service was performed (earned) on that day.
On December 10, a new client asks your consulting company to
provide a $2,500 service in January. You are uncertain as to whether or not this
client is credit worthy, so to be on the safe side you ask for an immediate
partial payment of $1,000 before you agree to schedule the work for January.
Although your consulting company has a receipt of $1,000 in December, it does
not have revenues in December. (In December your company will record a
liability of $1,000.) Your consulting company will report the $1,000 of
revenues when it performs $1,000 of services in January.
2. Revenues from secondary activities are often referred to
as nonoperating revenues. These are the amounts a business earns outside of
purchasing and selling goods and services. For example, when a retail business
earns interest on some of its idle cash, or earns rent from some vacant space,
these revenues result from an activity outside of buying and selling
merchandise. As a result the revenues are reported on the income statement
separate from its primary activity of sales or service revenues.
As is true with operating revenues, nonoperating revenues
are reported on the profit and loss statement during the period when they are
earned, not when the cash is collected.
Here's a Tip
Don't confuse revenues with receipts—
Revenues (operating and nonoperating) occur when a sale is
made or when they are earned. Revenues are frequently earned and reported on
the income statement prior to receiving the cash.
Receipts occur when cash is received/collected.
3. Gains such as the gain on the sale of long-term assets,
or lawsuits result from a transaction that is outside of the primary activities
of most businesses. A gain is reported on the income statement as the net of
two amounts: the proceeds received from the sale of a long-term asset minus the
amount listed for that item on the company's books (book value). A gain occurs
when the proceeds are more than the book value.
Consider this example: Assume that a clothing retailer
decides to dispose of the company's car and sells it for $6,000. The $6,000
received for the car (the proceeds from the disposal of the car) will not be
included with sales revenues since the account Sales is used only for the sale
of merchandise. Since this retailer is not in the business of buying and
selling cars, the sale of the car is outside of the retailer's primary
activities. Over the years, the cost of the car was being depreciated on the
company's accounting records and as a result, the money received for the car
($6,000) was greater than the net amount shown for the car on the accounting
records ($3,500). This means that the company must report a gain equal to the
amount of the difference—in this case, the gain is reported as $2,500. This
gain should not be reported as sales revenues, nor should it be shown as part
of the merchandiser's primary activities. Instead, the gain will appear in a
section on the income statement labeled as "nonoperating gains" or
"other income". The gain is reported in the period when the disposal
occurred.
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ADVANCE
PURE MATHEMATICS
TOPIC:
CALCULATING DEVICES
GENERAL EQUATIONS
ASSIGNMENT NO. 1
1. (a) Use logarithms
to evaluate to three significant figures:

(b) Using a non
programmable scientific calculator, find the value of

2. (a) Using
logarithms to evaluate:


(b) Using a non
programmable scientific calculator, evaluate:

3. (a) By using
mathematical tables, compute:
(i)

Correct 3 decimal places.
(ii)

(b) By using
scientific calculator, find:
(i)
e-2/3 +2 cosh-1 1.5 Correct to 6
significant figures
(ii) ln

correct to 6
significant figures.
(iii) The mean and standard
deviation for the scores; 64, 44, 56, 75 and 66.
4. (a) Using logarithms, evaluate to two
significant figures
(b) Using a non programmable scientific calculator evaluate to six d.p

5. (a) By using a
non programmable scientific calculator, evaluate the following expression giving the answer into 3
significant figures:
(i)

(ii)


(b) Use the
table of logarithms to compute: (6.32)

6. (a) Use
logarithm table to find

(b) Use the scientific calculator to find:

7. (a)

With the help of a calculator, evaluate the following
expression

correct to four
decimal places in each step of computation.
(i)


(ii)

(b) Find the value of

in radian given that:
8. (a) By using
mathematical table evaluate:

(b) By using a non-programmable
scientific calculator compute the following
expression to eight significant
figures:

9. Use a non programmable calculator to
evaluate correctly to four decimal places the
value of the following:
(a)


(b)


(c)

where


8.6074 and

11.5225
10. (a) Using a non programmable calculator to
evaluate:
(i)


, Correct to seven significant figures.

(ii)

, giving your answer to three significant figures.
(b) Cosmic – ray bombardment of the
atmosphere produces neutrons, which in turn
react with nitrogen to produce radioactive
Carbon – 14

. Radioactive

enters all li9ving tissues
through carbon dioxide, which is first absorbed by
plant. As long as an plant or
animal is alive,

decays according to
the
equation

where A is the amount
present after t years and A0 is the
amount present at time

. If 500 milligrams of

are present at the
start, use a
calculator to:
(i) Find how many milligrams
will be present in 15,000 years correct to two
decimal places.
(ii) Calculate the the number
of years it take for 1.89 milligrams to remain.
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