Per Unit Product Cost Replacement Cost $35 70 Selling Price $ 40 80 40 100 20 $ 60 100 80 130 30 70 28 Selling costs consist of a sales commission equal to 10% of selling price and shipping costs equal to 5% of cost. The normal gross profit percentage is 30% of selling price. Required: What unit value should Royal Decking use for each of its products when applying the lower of cost or market (L.CM) rule to units of ending inventory