(Ignore Income Taxes in This Problem

(Ignore income taxes in this problem. ) Stutz Company purchased a machine with an estimated useful life of seven years.The machine will generate cash inflows of $8,000 each year over the next seven years.If the machine has no salvage value at the end of seven years,if Stutz's discount rate is 12%,and if the net present value of this investment is $15,000,then the purchase price of the machine was:

A) $17,888
B) $36,512
C) $15,000
D) $21,512