Every small business should track their sales in order to evaluate performance, opportunity and trends. In a good system sales will identify date and time of purchase; customer’s name and demographic information; items purchased with quantity and dollar values and finally, methods of payment.
A system to record a sale to customers granted credit. The transaction credits sales and debits accounts receivable for the value of the sale/service delivered to the customer. Invoices are generally used with certain customers and in certain industries. It is non existent in retail/restaurants/fast food etc.