DOLLAR VOLUME
of sales is calculated on the basis of selling price net after deducting applicable discounts, returns for credit, replacement or repair, shipping charges, cancellation billxxxx, xxductions, offsets and the like (and not including any taxes which SAGE might charge or collect). If any Products are returned by a Customer, the selling price of which was included in the Dollar Volume, any credit given such Customer shall reduce the Dollar Volume of sales used in future commission calculations at the earliest opportunity or, at SAGE's discretion. SAGE may require REPRESENTATIVE to repay SAGE for all commission paid on account of such returned Products at any time following their return. The Dollar Volume does not include such items as development fees, qualification charges, items collected after the commencement of litigation, or replacement of spare parts.