A certain company produces clothing, footwear, and accessories for dancing and gymnastics. They produce three models of pointe shoes used by ballerinas to balance on the tips of their toes. The shoes are produced from four materials: cardstock, satin, plain fabric, and leather. The number of square inches of each type of material used in each model of shoe, the amount of material available, and the profitmodel are shown. Complete parts a and b. (Type integers or decimals. Do not round. Do not include the $ symbol in your answers.) =M1+M2+14M3M1+20M2+21M31,300M1+40M2+35M32,500M1+11M2+10M38,500M1+M2+M31,100