MyPhore, Inc. uses the product cost method of applying the cost-plus approoch to product pricing. The costs of producing and selling 4,560 cell phones are as follows: variable costs per unit: Myphone desires a profit equal to a 14\% return on invested assets of 5598,500 . a. Determine the amount of desired profit from the production and sale of 4,560 cell phones. 1 b. Determine the product cost per unit for the groduction of 4,560 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