The inventory of Royal Decking consisted of five products. Information about the December 31, 2018, inventory is as follows: Per Unit Product Cost Selling Price A $ 40 $ 60 B 80 100 C 40 80 D 100 130 E 20 30 Costs to sell consist of a sales commission equal to 10% of selling price and shipping costs equal to 5% of cost. Required: What unit value should Royal Decking use for each of its products when applying the lower of cost or net realizable value (LCNRV) rule to units of ending inventory?