Question 3 (25 points The manager of a local restaurant is trying to decide whether to buy a charcoal broiling unit or ar electric grill for cooking hamburgers. A market study shows customers prefer charcoal broiling, but the unit is more expensive. The manager's MARR is 20%. The manager estimates the costs and net benefits from the two alternatives as given below. The useful lives of both the broiler and the grill are five years. Year Broiler Grill 34200-S1450 990 990 990 990 990 690 690 690 690 690 4 a) What is the rate of return for the grill? Report your answer to two digits after the decimal point in percent form (xx.xx%). b) Which alternative should the manager choose? You must determine your answer using some form of rate of return analysis