Voice Com, Inc uses the product cost method of applying the cost-plus approach to product pricing. The costs of producing and selling Varable costs per unit: Voice Com desires a profit equal to a 14% return on invested assets of $598,700. a. Determine the amount of desired profit from the production and sale of 5,020 cell phones. s. b. Determine the product cost per unit for the production of 5,020 cell phones. Round your answer to the nearest whole dollar. 5. perunit 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