1. mcknight company is considering two different capital expenditure proposals. project a will cost $400,000, has an expected useful life of 10 years, a salvage value of zero, and is expected to increase net profit in year 10 by $70,000. project b will cost $310,000, has an expected useful life of 10 years, a salvage value of zero, and is expected to increase net profits by $55,000. a required rate of return of 9% is appropriate for both projects. calculate: a) the net cash flow in year 10 for projects a and b b) the present value of the net cash flows for projects a and b