The following present value factors are provided for use in this problem.

Periods	Present Value of $1 at 8%	Present Value of an Annuity of $1 at 8%
1	0.9259	0.9259
2	0.8573	1.7833
3	0.7938	2.5771
4	0.7350	3.3121

Xavier Co. wants to purchase a machine for $37,500 with a four year life and a $1200 salvage value. Xavier requires an 8% return on investment. The expected year-end net cash flows are $12,500 in each of the four years. What is the machine's net present value?

A. $3901

B. $42,283

C. $4783

D. $(4783)

E. $(3901)