QUESTION 5 (3 marks) Ramly's Chicken Farm is producer of Chicken burger. In order to produce the best burger possible, the regular chicken feed is supplemented by three vitamins. The minimum amount of each vitamin requirement is Vitamin 1, 640 units, Vitamin 2, 360 units and Vitamin 3, 120 units. The cost on a supplement A and supplement B areRM55 and RM79 respectively. The table below show the number of units Vitamin 1, Vitamin 2, Vitamin 3 contain in Supplement A and Supplement B. Supplement A Supplement B Vitamin 1 32 Vitamin 2 Vitamin 3 12 2 8 6 4 By using linear programming model: a. Write the problem constraints and non-negative constraints. (2marks) b. Graph the feasible region (4marks)