A company projects an increase in net income of $40,000 each year for the next five years if it invests $500,000 in new equipment. The equipment has a five-year life and an estimated salvage value of $50,000. The company uses the straight-line method of depreciation.

What is the net annual cash flow?

What is the cash payback period?

What is the annual rate of return?

Plsss, show me the calculcations. I am doing here, but getting wrong. Tks!