In the Sales Order module, a customer's purchase history can be tracked including the last quoted price, last sales order price and last invoice sale price for any item. Sometimes the history needs to be cleared due to outdated pricing or obsolete items.
To clear customer purchase history

1 On the Sales Order Setup menu, click Sales Order Options.

2 On the History tab, at the Track Customers Last Purchase History field, select Yes. This information can then be viewed in Sales Order Line Entry and Invoice Data Line Entry by clicking the Search button.

3 On the Sales Order Setup menu, click Customer Last Purchase Maintenance.

4 In the Customer Last Purchase Maintenance window, click Clear.

5 In the Clear Customer Last Purchase File window, make the appropriate selections to clear by customer number, item number, and purchase date.

6 Click Proceed.