Really Struggling with the template. I do not think Corduroy should be zero!!

\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline A & B & C & D & E & F & G & H & I & J \\ \hline Problem 1 & & & & & & & Available & \multicolumn{2}{|c|}{=LP!$F$8:$F$9} \\ \hline & & & & & & & Corduroy_Produced & \multicolumn{2}{|c|}{=LP!$C$11} \\ \hline Unit profits & Denim & Corduroy & & & & & Print Area & \multicolumn{2}{|c|}{= LP!\$A $1:$J$14} \\ \hline & $2.45 & $3.15 & & & & & Produced & \multicolumn{2}{|c|}{=LP!$B$11:$C$11} \\ \hline & & & & & & & Profit & \multicolumn{2}{|c|}{=LP!$B$13} \\ \hline Materials Used & & & & & & & Used & \multicolumn{2}{|c|}{=LP!$D$8:$D$9} \\ \hline & Denim & Corduroy & Total used & & Available & & & & \\ \hline Cotton & 5.5 & 8.0 & 6500 &