Fotal Cost Concept of Product Pricing Voice Com, Incy produces and sells cellular phones. The costs of producing and selling 7,500 units of cellular phones are as follows: Voice Com desires a profit equal to a 15% rate of return on invested assets of $733,200. Assume that Voice Com, Inc, uses the total cost conceot of applying the cost-plus approseh to product pricing. a. Determine the toral costs and the total cost amount per unit for the production ard sale of 7,500 units of cellular phones. Round the cost per unit to two decima places. b. Determine the total cost mamup percentage (rounded to two decimal places) for cellular phones. C. Dectrmine tie teiling price of celiuiar phones, Round to the nearest cont. per phone