Cash payback period for a service company

Haukea Clothing Inc. is evaluating two capital investment proposals for a retail outlet, each requiring an investment of $$200,000$ and each with an eight$-$year life and expected total net cash flows of $$320,000.$ Location $1$ is expected to provide equal annual net cash flows of $$40,000,$ and Location $2$ is expected to have the following unequal annual net cash flows:

$\backslash$table$[[$Year $1,$$$78,000,$Year $5,$$$42,000$