QUESTION 2 a) Dr. Khadijah was assigned to oversee the diet of her patients. She has to make sure the basic nutritional requirements are satisfied, but at the same time avoid spending more than necessary. Dr. Khadijah suggests two types of 1,200-Calorie meal plan. Meal plan A costs RM35 and meal plan B costs RM30 per day. Meal A yields 26 grams of fiber, 157 grams of carbohydrate, and 68 grams of protein. Meal B yields 20 grams of fiber, 170 grams of carbohydrate, and 55 grams of protein. The minimum requirements of each nutrient are 17, 100, and 50 grams, respectively. Prior to the meal handling, total weight of the meal serving must not less than 500 grams. i. Formulate a linear programming model with the objective of minimizing total meal cost. (3 marks) Hence, obtain the dual of the above model