Debits and credits

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The term debit indicates the left side of an account, and credit indicates the right side. They are commonly abbreviated as Dr. for debit and Cr. for credit. They do not mean increase or decrease, as is commonly thought. We use the terms debit and credit repeatedly in the recording process to describe where entries are made in accounts. For example, the act of entering an amount on the left side of an account is called debiting the account. Making an entry on the right side is crediting the account. When comparing the totals of the two sides, an account shows a debit balance if the total of the debit amounts exceeds the credits. An account shows a credit balance if the credit amounts exceed the debits. Note the position of the debit side and credit side in Illustration 3-4. The procedure of recording debits and credits in an account is shown in Illustration 3-5 for the transactions affecting the Cash account of Sierra Corporation. The data are taken from the Cash column of the tabular summary in Illustration 3-3.

Every positive item in the tabular summary represents a receipt of cash; every negative amount represents a payment of cash. Notice that in the account form, we record the increases in cash as debits and the decreases in cash as credits. For example, the $10,000 receipt of cash (in blue) is debited to Cash, and the −$5,000 payment of cash (in red) is credited to Cash. Having increases on one side and decreases on the other reduces recording errors and helps in determining the totals of each side of the account as well as the account balance. The balance is determined by netting the two sides (subtracting one amount from the other). The account balance, a debit of $15,200, indicates that Sierra had $15,200 more increases than decreases in cash. That is, since it started with a balance of zero, it has $15,200 in its Cash account.

DEBIT AND CREDIT PROCEDURES
Each transaction must affect two or more accounts to keep the basic accounting equation in balance. In other words, for each transaction, debits must equal credits. The equality of debits and credits provides the basis for the double-entry accounting system. Under the double-entry system, the two-sided effect of each transaction is recorded in appropriate accounts. This system provides a logical method for recording transactions. The double-entry system also helps to ensure the accuracy of the recorded amounts and helps to detect errors such as those at MF Global as discussed in the Feature Story. If every transaction is recorded with equal debits and credits, then the sum of all the debits to the accounts must equal the sum of all the credits. The double-entry system for determining the equality of the accounting equation is much more effi cient than the plus/minus procedure used  earlier.

Dr./Cr. Procedures for Assets and Liabilities
In Illustration 3-5 for Sierra Corporation, increases in Cash an asset are entered on the left side, and decreases in Cash are entered on the right side. We know that both sides of the basic equation (Assets = Liabilities + Stockholders’ Equity) must be equal. It therefore follows that increases and decreases in liabilities have to be recorded opposite from increases and decreases in assets. Thus, increases in liabilities are entered on the right or credit side, and decreases in liabilities are entered on the left or debit side. The effects that debits and credits have on assets and liabilities are summarized in Illustration 3-6.

Asset accounts normally show debit balances. That is, debits to a specifi c asset account should exceed credits to that account. Likewise, liability accounts normally show credit balances. That is, credits to a liability account should exceed debits to that account. The normal balances may be diagrammed as in Illustration 3-7.

Knowing which is the normal balance in an account may help when you are trying to identify errors. For example, a credit balance in an asset account, such as Land, or a debit balance in a liability account, such as Salaries and Wages Payable, usually indicates errors in recording. Occasionally, however, an abnormal balance may be correct. The Cash account, for example, will have a credit balance when a company has overdrawn its bank balance by spending more than it has in its account. In automated accounting systems, the computer is programmed to fl ag violations of the normal balance and to print out error or exception reports. In manual systems, careful visual inspection of the accounts is required to detect normal balance problems.


Dr./Cr. Procedures for Stockholders’ Equity  equity is comprised of two parts: common stock and retained earnings. In the transaction events earlier in this chapter, you saw that revenues, expenses, and the payment of dividends affect retained earnings. Therefore, the subdivisions of stockholders’ equity are common stock, retained earnings, dividends, revenues, and expenses. COMMON STOCK Common stock is issued to investors in exchange for the stockholders’ investment. The Common Stock account is increased by credits and decreased by debits. For example, when cash is invested in the business, Cash is debited and Common Stock is credited. The effects of debits and credits on the Common Stock account are shown in Illustration 3-8.

RETAINED EARNINGS Retained earnings is net income that is retained in the business. It represents the portion of stockholders’ equity that has been accumulated through the profi table operation of the company. Retained Earnings is increased by credits (for example, by net income) and decreased by debits (for example, by a net loss), as shown in Illustration 3-10.

DIVIDENDS A dividend is a distribution by a corporation to its stockholders. The most common form of distribution is a cash dividend. Dividends result in a reduction of the stockholders’ claims on retained earnings. Because dividends reduce stockholders’ equity, increases in the Dividends account are recorded with debits. As shown in Illustration 3-12, the Dividends account normally has a debit balance.

REVENUES AND EXPENSES When a company recognizes revenues, stockholders’ equity is increased. Revenue accounts are increased by credits and decreased by debits. Expenses decrease stockholders’ equity. Thus, expense accounts are increased by debits and decreased by credits. The effects of debits and credits on revenues and expenses are shown in Illustration 3-13.

Credits to revenue accounts should exceed debits; debits to expense accounts should exceed credits. Thus, revenue accounts normally show credit balances, and expense accounts normally show debit balances. The normal balances may be diagrammed as in Illustration 3-14

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