make next week to maximize profit contribution. Click here to view the tile data. Complete the table below to indicate the number of square feet of each tile to produce to optimize the profit, and then give the total profit earned. (Tvpe inteaers or decimals. Do not round.) \begin{tabular}{|l|r|r|r|} \hline & Grade I & Grade II & Grade III \\ \cline { 1 - 4 } & 2.5 & 4 & 5.5 \\ \hline Profit/square foot & 0.5 & 0.3 & 0.25 \\ \hline Clay & 0.05 & 0.15 & 0.1 \\ \hline Silica & 0.2 & 0.15 & 0.15 \\ \hline Sand & 0.25 & 0.4 & 0.5 \\ \hline Feldspar & 0.4 & 4 \\ \hline \end{tabular}