37. Irenes Kitchen \& Catering Service sells three kinds of cakes - single, double, and triple layers. The product mix is 30 percent single layer, 50 percent double layer, and 20 percent triple layer. The bills of material are as follows: a. Irene's forecast for cakes for the next three months is 40 cakes a day or 2,880 cakes (40 cakes/day 24 workdays/month 3 months). How much cake mix does she need? b. How much butter is needed? c. How many eggs are needed