e n 2. 1- g - 3.4-5. Ralph Edmund loves steaks and potatoes. Therefore, he has decided to go on a steady diet of only these two foods (plus some that this isn't the healthiest diet, so he wants to make sure that he liquids and vitamin supplements) for all his meals. Ralph realizes tional requirements. He has obtained the nutritional and cost infor- mation shown at the top of the next column. Ralph wishes to determine the number of daily servings (may be fractional) of steak and potatoes that will meet these require. ments at a minimum cost. (a) Formulate a linear programming model for this problem. D,I (b) Use the graphical method to solve this model. .c (c) Use a computer to solve this model by the simplex method, Grams of Ingredient Sugar Cotton Sorgh Sout irrig equi kibb lanc the pla crc Co per Serving Ingredient Steak Potatoes Carbohydrates 5 15 Protein 20 Fat 15 52 Cost per serving $8 $4 Daily Requirement (Grams) 50 40 60 to res Sc (a C 3