Please help me answer these 3 questions

Question 2 Joetz Corporation has gathered the following data on a proposed investment project {Ignore income taxes): $0000 woo Present value of an annuity of $1; n=15 & i=10% -> 7.606 The company uses straight-line depreciation on all equipment. Assume cash ows occur uniformly throughout a year except for the initial investment. 0 $23,500 0 $19,439 0 $49,439 0 $60,000 Question 3 Basey Corporation has provided the following data concerning an investment project that it is considering: Initial investment $ 510,000 Working capital $ 30.000 Annual cash ow $ 173,000 per year Salvage value at the end of the 15,000 project $ Expected life of the project 4 years Discount rate 15 96 Present value of $1; n=4 & i=15% ->0.572 Present value of an annuity; n=4 & i=15% -> 2.855 The working capital would be released for use elsewhere at the end of the project. The net present value of the project is closest to: 0 $188,000 0 $09,043} @ $(20,345} 0 $89,048) Golab Roong is considering the purchase of a crane that would cost $69,846, would have a useful life of 6 years, and would have no salvage value. The use of the crane would result in labor savings of $13,250 per year. The simple rate of return on the investment in the crane is closest to (Ignore income taxes): 17% O 18% O 19% O 30%