Please answer all four parts for question 4.

Question 4 (11 pts): Three mutually exclusive alternatives are being considered. All have a 5-year useful life. The do-nothing option is allowed. If the MARR is 7%, which alternative is preferred. B Initial cost $ 50,000 $ 40,000 10,000 $ 54,500 14,000 Uniform annual benefit 13,000 1) (3 pts) Please use the rate of return analysis to solve this question. Show work. 2) (3 pts) Please use the benefit-cost ratio analysis to solve this question. Show work. 3) (3 pts) Please use the discounted payback period to solve this question. Show work. 4) (2 pts) Are the best alternatives you chose in part 1), 2) and 3) the same