Poe Company is considering the purchase of new equipment costing $87,500. The projected net cash flows are $42,500 for the first two years and $37,500 for years three and four. The revenue is to be received at the end of each year. The machine has a useful life of 4 years and no salvage value. Poe requires a 10% return on its investments. The present value of an annuity of $1 and present value of an annuity for different periods is presented below. Compute the net present value of the machine.

Periods	Present value of $1 at 10%	Present value of an Annuity of $1 at 10%
1	0.9091	0.9091
2	0.8264	1.7355
3	0.7513	2.4869
4	0.6830	3.1699