Here you can add customer information

Enter Customer name,Select price level ,enter beginning balance of accounts receivable,and enter contact and address below:

Different price level can be set for different customers
Retail Price:l. When the price level is retail price, when creating a bill of sale, first select the customer and then select the goods, and the retail price will be automatically brought out.
Wholesale Price:When the price level is wholesale price, when creating a bill of sale, first select the customer, and then select the goods, and the wholesale price will be automatically brought out.
Personalised Price:When the price level is the personalised price, first select the customer, and then select the goods,the personalisedprice will be automatically brought out.
If the customer's personalised price is not set, the wholesale price will be brought out by default. You can manually modify the price when creating  a bill of sale. After saving the document, the latest price will be updated to the customer's exclusive price. 
The next time you create a bill of sale,first select the customer, the latest personalised price will be automatically brought out.

support multiple contacts or addresses, click  button +New

when it's done,click Save button.