What is an invoice
Entries in the purchases day book are made from invoices which are popularly known as bills. Invoice is a business document or bill or statement, prepared and sent by the seller to the buyer giving the details of goods sold, such as quantity, quality, price, total value, etc. Thus, the invoice is a source document of prime entry both for the buyer and the seller.
When a trader sells goods on credit, she/he issue an invoice or bill in the name of the purchaser which contains details about the product, quantity, agreed price of product, terms of payment, the name and address of the seller and purchaser.\xa0