Santiago is looking at launching four new products to add on to the range that he already has. He is not quite sure whether he will be able to make all the four products, so he has aboroached vou to help him with his decision. \begin{tabular}{c|c|c|c|c} \hline 11 & & Uno & Dos & Tres \\ \hline 12 & & & E13 \\ \hline 13 & Rank the Direct Materials by Most Expensive to purchase & & & \\ \hline \end{tabular} Required What formula needed in E13. if Santiago is going to Rank the Direct Materials by Most Expensive to purchase Santiago is looking at launching four new products to add on to the range that he already has. He is not quite sure whether he will be able to make all the four products, so he has approached you to help him with his decision