15. Another supply and demand puzzle The market price of pizzas in a college town increased recently, and the students in an economics class are debating the cause of the price increase. Some students suggest that the price increased because the price of dough, an important ingredient for making pizzas, has increased. Other students attribute the increase in the price of pizzas to a recent decrease in the price of beer. Everyone agrees that the decrease in the price of beer was caused by a recent decrease in the price of grain, which is not generally used in making pizzas

Solve the problem. A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers X and Y. What is the cost of 100 batches of each candy using ingredients from supplier X? sugar choc milk 4 6 1 5 3 1 3 3 1 A- cherry almond raisin XY 32 sugar 3 4 choc 22 milk B- $6600 $7800 $4800 $3300