definiens: means the aggregate gross sales ( ) amount actually invoiced by DIADEXUS or its AFFILIATES or its or their sublicensees for the DIADEXUS LICENSED PRODUCTS less the following deductions relating to such sales to the extent such deductions are consistent with the normal practice in the diagnostic products industry : ( a ) trade, quantity and cash discounts and rebates and other discounts actually allowed by DIADEXUS ; ( b ) any adjustments on account of price adjustments, billing errors, rejected goods, damaged goods and returns, but only to the extent not previously deducted from NET SALES ; ( c ) credits, charge -backs and prime vendor rebates, fees, reimburs ements, and similar payments 2 actually granted or given to wholesalers and other distributors, buying groups, health care insurance carriers, pharmacy benefit management companies, health maintenance organizations, other institutions or health care organizations or other customers, but only to the extent not previously deducted from NET SALES ; ( d ) rebates or other price reductions provided, based on sales by DIADEXUS of DIADEXUS LICENSED PRODUCTS, to any governmental or regulatory authority i n respect of any state or federal Medicare, Medicaid or similar programs, but only to the extent not previously deducted from NET SALES ; and e ) freight, insurance and other transportation costs associated with the shipment of DIADEXUS LICENSED PROD UCTS from DIADEXUS to its customers if charged separately