Vextra Corporation is considering the purchase of new equipment costing $40,000. The projected annual cash inflow is $12,000, to be received at the end of each year. The machine has a useful life of 4 years and no salvage value. Vextra requires a 12% return on its investments. The present value of an annuity of $1 for different periods follows:

extra Corporation is considering the purchase of new equipment costing $40,000. The projected annual cash inflow is $12000, to be received at the end of each year. The machine has a useful life of 4 yea rs and no salvage value. Vex'tra requires a 1251-3 return on its investments. The present value of an annuity of $1 for different periods follows: hat is the net present value ofthe machine