Hi! I wonder if somebody can help me with this problem. Your help is really appreciated. Thank you in advance.

Gallatin, Inc., has assembled the estimates shown below relating to a proposed new investment project. The project will last 5 years and requires Gallatin to purchase a machine with a cost of $335,200, a 5-year life and no salvage value. Annual cash sales Annual out-of-pocket cash expenses Annual depreciation on equipment Initial cost of equipment $ $ $ $ 350,000 250,000 67,040 335,200 Compute the payback period for the investment (2 points) Compute the investment's approximate IRR (2 points). Compute the investment's simple rate of return (2 points). Gallatin, Inc., has assembled the estimates shown below relating to a proposed new project with a 5-year project life. At the end of the 5 years, the equipment purchased for the project would be sold and working capital would revert to other uses in the company. Gallatin uses a discount rate of 10%. (Ignore income taxes.) Annual cash sales Annual out-of-pocket cash expenses Annual depreciation on new equipment Initial cost of new equipment Salvage value of new equipment in 5 years Working capital requirement $ 450,000 $ 340,000 $ 66,000 $ 380,000 $ 50,000 $ 40,000