As the director of capital budgeting for Denver Corporation, you are evaluating two mutually exclusive projects. Project $x$ is a three year project and project $Z$ is a four year project. The project net cash flows are followed:

$\backslash$table$[[$Year$,\backslash$table$[[$Broject X$],[$Cash Flow$]],\backslash$table$[[$Project Z$],[$Cash Flow$]]],[0,-$$$200,000,-$$$300,000$