The per unit cost of an item is its average total cost total cost quantity). Suppose that a new smartphone app costs $250,000 to develop and only 50 70 per unit to deliver to each smartphone customer Instructions: Round your answers to 2 decimal places a. What will be the per-unit cost of the app if it sels 100 units ST b. What will be the per unit cost of the app at sels 1000 units? c. What will be the per unit cost of the app if sets mision units