The Historical Sale window enables you to enter sales that occurred before your conversion month. The balances of the transactions you enter here should equal the outstanding sales balance each customer has with your business.The credit terms entered in the Selling Details view of the Card Information window for the customer are displayed. You can change the terms for this sale if you want to.This field automatically displays the next available default invoice number in your company file. You can accept the default number or enter a different number.If you want to, enter a memo for the transaction.The memo text will help identify the transaction in the Transaction journal.Based on the amount you entered in the Total Including Tax field and the Tax Code you selected, the calculated tax portion of the total appears here.