16. Carson Tools, Inc. is considering a new inventory system that will cost $400,000. The system is expected to generate positive cash flows over the next four years in the amounts of $200,000 in year one, $150,000 in year two, $110,000 in year three, and $90,000 in year four. Carson Tool's required rate of return is 11%. What is the payback period of this project? 17. Carson Tools, Inc. is considering a new inventory system that will cost $400,000. The system is expected to generate positive cash flows over the next four years in the amounts of $200,000 in year one, $150,000 in year two, $110,000 in year three, and $90,000 in year four. Carson Tool's required rate of return is 11%. What is the internal rate of return of this project? 18. Carson Tools, Inc. is considering a new inventory system that will cost $400,000. The system is expected to generate positive cash flows over the next four years in the amounts of $200,000 in year one, $150,000 in year two, $110,000 in year three, and $90,000 in year four. Carson Tool's required rate of return is 11%. What is the net present value of this project? 19. Carson Tools, Inc. is considering a new inventory system that will cost $400,000. The system is expected to generate positive cash flows over the next four years in the amounts of $200,000 in year one, $150,000 in year two, $110,000 in year three, and $90,000 in year four. Carson Tool's required rate of return is 11%. What is the profitability index of this project