Poe Company Is Considering the Purchase of New Equipment Costing

Poe Company is considering the purchase of new equipment costing $80,000. The projected net cash flows are $35,000 for the first two years and $30,000 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.
$\begin{array} { c c c } \text { Periods } & \begin{array} { r } \text { Present Value } \\\text { of } \$ 1 \text { at } 10 \%\end{array} & \begin{array} { c } \text { Present Value of an } \\\text { Annuity of } \$ 1 \text { at } 10 \%\end{array} \\1 & 0.9091 & 0.9091 \\2 & 0.8264 & 1.7355 \\3 & 0.7514 & 2.4869 \\4 & 0.6830 & 3.1699\end{array}$

A) $15,731.
B) $(4,896) .
C) $(15,731) .
D) $4,896.
E) $23,775.