definiens: ) . Net Sales shall mean the amountbilled or invoiced on sales of Royalty Products less ( i ) customary trade, quantity or cash discounts and non - affiliated brokers or agents commissionsactually allowed and taken ; ( ii ) amounts repaid or credited by reason ofrejection or return ; ( iii ) to the extent separately stated on purchase orders, invoices or other documents of sale, transportation costs, and -4-<PAGE > 6 taxes levied on and/or other governmental charges made as to production, sale, transportation, delivery or use and paid by or on behalf of Meridian ; and ( iv)uncollected bills to the extent these have been on Meridian'sbooks . For the purpose of calculating royalties, Net Sales in each Royalty Yearof Cytoclone(TM ) A&B EIA shall be deemed to be the greater of : ( i ) actual NetSales, or ( ii ) $ 1,500,000 . The parties acknowledge that Meridian markets anexisting product to detect C. difficile toxin A which may be competitive withCBC 's Cytoclone(TM ) product . Meridian agrees that it shall offer equalincentives to its sales force for the sale of each of the products