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Product Cost Method of Product Costing MyPhone, Inc. uses the product cost method of applying the cost-plus approach to product pricing. The costs of producing and selling 4,630 cell phones are as follows: Variable costs ner unit: MyPhone desires a profit equal to a 13% return on invested assets of $598,900. a. Determine the amount of desired profit from the production and sale of 4,630 cell phones. $ b. Determine the product cost per unit for the production of 4,630 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. % d. Determine the selling price of cell phones. Round your answers to the nearest whole dollar