If a potential investment project includes a salvage value, proper treatment is to: Use the present value of an annuity table to calculate the net present value of this cash flow Ignore the salvage value Use the present value of $1 table to calculate the net present value of the cash flow in the year it will be received, e.g. at the end of the asset's useful life Use the present value of $1 table to calculate the net present value of the cash flow in the year the investment is made, e.g. at the beginning of the asset's useful life To determine if a potential project should be accepted, a company's net present value of future cash flows should be: Equal to zero Greater than zero There is no criterion for acceptance Less than zero