55. Johanson Company is considering purchasing one of two new machines. The following estimates are available for each machine: Machine 1 Machine 2 Initial cost $152,000 $169,000 Annual cash inflows 50,000 60,000 Annual cash outflows 15,000 20,000 Estimated useful life 6 years 6 years The company's minimum required rate of return is 9%. Period 6 8% 4.623 Present Value of an Annuity of 1 9% 10% 11% 12% 4.486 4.355 4.231 4.111 15% 3.784 Instructions (a) Compute the (1) net present value, (2) profitability index, and (3) internal rate of return for each machine. (b) Which machine should be purchased