Product Cost Method of Product Costing Nyphone, Ine, uses the product cost method of applying the cost-plus approach to product pricing. The costs of producing and selling 4 , 730 cell phanes are as folle Variahle costs nar unit: Myphone desires a profit equal to a 16% return on invested assets of $600,100, a. Datermine the amount of desired profit from the production and sale of 4,730 cell phones: b. Determine the product cost per unit for the production of 4,730 cell phones. Round your answer to the nearest whole dollar. per unit c. Determine the product cost markup percentage for cell phones. Round your answer to two decimal places. %