Q3: (7 points) The demand on ice-cream at R-Mart for the next 4 months is expected to be 50, 74, 89, and 75 cartons, respectively. The cost per a carton of ice-cream varies by month, and it is expected to be $35, $50, $60, and $55 over the next 4 months respectively. On the other hand, the selling price of ice-cream at R-Mart is fixed at $75 per carton, and R-Mart pays an average storage cost of $2.5 per carton per month to keep ice-cream refrigerated. If R-Mart has currently 10 cartons of ice-cream in inventory, develop an LP to determine the optimum ordering schedule of ice-cream. List one feasible solution to the