Apex Corp Is Planning to Buy a Production Machine Costing $\$ 100,000$

Apex Corp. is planning to buy a production machine costing $\$ 100,000$ . This machine's expected useful life is five years, with no residual value. Apex uses a discount rate of $10 \%$ and has calculated the following data pertaining to the purchase and operation of this machine:
$\begin{array}{|r|r|}\hline \text { Year } & \text { Estimated Annual Net Cash Inflow } \\\hline 1 & \$ 60,000 \\\hline 2 & \$ 30,000 \\\hline 3 & \$ 20,000 \\\hline 4 & \$ 20,000 \\\hline\end{array}$
$\begin{array}{l}\begin{array} { | l | r | } \hline 5 & \$ 20,000 \\\hline\end{array}\\\text { (Ignore income taxes in this problem.) }\end{array}$
- The net present value of this investment is closest to which of the following? (Do not round your intermediate calculations.)

A) $20,444.
B) $81,025.
C) $50,000.
D) $80,000.