Used to generate purchase prices to be applied to AR/AP transactions. This option is located in the right click menu (F9) of the Accounts Receivable & Payable browser.  
The "Generate Purchase Price" window displays the code and title of the AR/AP selected on the code and description fields.
The price lines are used to record the purchase price to be applied to the AR/AP.
Material Code: The record code of the material to which the price is applied. Recorded materials are listed by clicking the "..." icon, and a selection is made.
Price: Indicates the price of the material to be applied to the AR/AP.
Material prices to be applied to the AR/AP are recorded on a separate line by pressing the Insert key. More than one price can be entered for the same material using the Purchase Prices option.

Gradual Prices to be Applied to the AR/AP
Purchase prices may vary depending on the order quantity, payment conditions and similar reasons. The Graded Prices option located in the right click menu of the "Generate Purchase Price" window is used to record such varying prices.