$1.$ EcoTech Manufacturing is evaluating two investment projects for expanding its production capacity. The company's Minimum Attractive Rate of Return $($MARR$)$ is $\backslash (\backslash$mathbf$\{10\backslash \%\}\backslash )$ per year, and both projects have a useful life of $\backslash (\backslash$mathbf$\{8\}\backslash )$ years. The projected cash flows for each project are given below: Using the Profitability Index $($PI$)$ method, determine which project should be selected. Assume no salvage value at the end of the useful life.