Please show calculations as well I need to see how the answers are found

Instructions Complete the following problems. Your work needs to be presentable and legible. Any incomplete work will automatically receive zero points. PART I: Com Doggy, Inc. produces and sells com dogs. The com dogs are dipped by hand. Austin Beagle, production manager, is considering purchasing a machine that will make the corn dogs. Austin has shopped for machines and found that the machine he wants will cost $215,000. In addition, Austin estimates that the new machine ll increase the company's annual net cash inflows by $33,000. The machine will have a 12-year useful life and no salvage value. Instructions (a) Calculate the cash payback period. (b) Calculate the machine's internal rate of return. (c calculate the machine's net present value using a discount rate of 10%. (dy Assuming Corn Doggy, Inc.'s cost of capital is 10%, is the investment acceptable? Why or why not? PART II: Mimi Company is considering a capital investment of S275,000 in new equipment. The equipment is expected to have a 5-year useful life with no salvage value. Depreciation is computed by the straight-line method. During the life of the investment, annual net income and cash inflows are expected to be S25,000 and S80,000, respectively. Mimi's minimum required rate of return is 10%. The present value of 1 for 5 periods at 10% is 621 and the present value of an annuity of 1 for 5 periods at 10% is 3.791. Instructions Compute each of the following: (a) The cash payback period. (b) The net present value of the total investment. (c) The profitability index. (d) Internal rate of return (e) The rate of MacBook Air