Sales invoice

To maintain sales order first of all we will click on the task bar and select the sales invoice.sales invoice is basically used for the goods which we have sold and the window of the sales invoice is as follows

In this window following things are given first of all there is id of the customer in this we write the id of the customer to whom we have sold the goods, after this we will select the date for which we have make the sale and give the invoice no.in below tabs when we select the apply to sales following window will appear which are shown below like quantity of the goods sold item type description and the per unit cost of the item