Volce com desires a pront equal to a 16% rate of return on invested assets of $627,000. Assume that volice Com, Inc, uses the total cost concept of applying the cost-plus approach to product priking. a. Determine the total costs and the total cost amount per unit for the production and sale of 6,000 unts of cellular phones, kound the cest per unit to two decimal plackas. b. Determine the total cost markup percentage (rounded to two decimal placas) for cellutar phones. C. Determine the seliling price of cellular phones. Aoothe to the nearest cent. 1 per phone