Formulate but do not solve the following exercise as a linear programming problem. A company manufactures x units of Product A and y units of Product B, on two machines, I and II. It has been determined that the company will realize a profit of $4 on each unit of Product A and $3 on each unit of Product B. To manufacture a unit of Product A requires 7 min on Machine I and 5 min on Machine II. To manufacture a unit of Product B requires 10min on Machine I and 3min on Machine II. There are 405 min available on Machine I and 194 min available on Machine II in each work shift. How many units of a product should be produced in each shift to maximize the company's profit P in dollars