21 Bruce Corporation makes foar products in a single facity. These products have the following unit product couts \begin{tabular}{|c|c|c|c|c|c|c|c|c|} \hline & \multicolumn{8}{|c|}{ products } \\ \hline & & A & & \# & & c & & 0 \\ \hline Direct saterials & s & 27,50 & 5 & 21.40 & 5 & 14.40 & s & 17,10 \\ \hline Direct labor & & 19.50 & & 22.90 & & 17.10 & & 11,30 \\ \hline Variable namufacturing overhead & & 5.39 & & 7.50 & & 10,60 & & 7,3e \\ \hline fixed manufacturing overhead & & 29,40 & & 16.39 & & 16,40 & & 18.49 \\ \hline Jibt preduct cost & s & 72,70 & 5 & 68.10 & 5 & 54.10 & s & 53,80 \\ \hline \end{tabular} Additienal dass concering these products ore asted below: \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{4}{|c|}{ Products } \\ \hline & A & B & E & 0 \\ \hline Grinding minutes per unit. & 2,46 & 1.45 & 1,00 & 1.30 \\ \hline selling price per unit & 300.20 & 380,60 & 577,40 & i.72, te \\ \hline Varlable velling cost per unit & $3.25 & 53.95 & 34.70 & 15,40 \\ \hline Menthly desand in units & 4,900 & 3,900 & 3,900 & 3,30 \\ \hline \end{tabular} Which produt mases uye Most protusbe use of the grinding machnes? Note Pound your intermediate calculations to 2 decirmat places