Using a Required Rate of Return of 12 -What Is This Project's Payback Period If Initial Capital Investment

Using a required rate of return of 12%.
$\begin{array} { | c | r | } \hline { \text { Perpetual Power Machine Co. - Purchase of a New High Machining Tool } } \\\hline \text { Year } & \text { Cash Flow } \\\hline \text { Year 1 } & \$ 500 \\\hline \text { Year 2 } & \$ 500 \\\hline \text { Year 3 } & \$ 3,000 \\\hline \text { Year 4 } & \$ 3,000 \\\hline \text { Year 5 } & \$ 10,000 \\\hline\end{array}$
-What is this project's payback period if initial capital investment is $7,500?

A) 3 years 3 months
B) 5 years
C) 9 years
D) 4 years 2 months