how to maintain sales /invoice?

HOW TO MAINTAIN THE SALES/INVOICE.

In peach tree to maintain the sales/invoice we select the tasks option and click on sales/invoice .Invoice is use to maintain the record of sales we make with customers.

After selecting the sales the next window is appear,

In this window we select the

·        Customer ID

·        Change the date

·        Invoice no.

Enter the quantity that sales, choose the item and give the per unit price.

When we enter the customer, date, invoice no. then the window will be changed.In this window we select the sales order no.