example of a transaction , which involves reciprocal

exchange of two things: (i) payment of cash, (ii) delivery of a computer . Hence, the transaction involves this aspect, i.e. Give and Take . Payment of cash involves give aspect and delivery of computer is a take aspect.

Thus, business transactions are exchanges of economic consideration between parties and have two-fold effects that are recorded in at least two accounts. Business transactions are usually evidenced by an appropriate documents such as Cash memo, Invoice, Sales bill, Pay-in-slip, Cheque, Salary slip, etc. A document which provides evidence of the transactions is called the Source Document or a Voucher . At times, there may be no documentary for certain items as in case of petty expenses.

In such case voucher may be prepared showing the necessary details and got approved by appropriate authority within the firm. All such documents (vouchers) are arranged in chronological order and are serially numbered and kept in a separate file. All recording in books of account is done on the basis of vouchers. Transaction Voucher