Section 1: Multiple choice and Short Answers (15 points) Use the linear programming model below and the given optimal simplex tableau to answer the questions 1-3 Maximize 320X1+220x2 Subject to 1X1+2x2 2X1+1X2 1X1+1X2 All variables 20 s s 40 42 24 s Optimal Tableau 320 220 0 0 0 X1 X2 S2 53 Basic 0151 320 x1 220/X2 1 S1 0 0 1 220 0 Original value of RHS of constraints 40 42 24 Quantity -3 10 -1 18 2 6 120 7080 -120 1 -1 100 -100 320 CZ 1) Find the ranges of that maintain the same optimal solution. a 200scic.500 b 200sci400 220scic.440 d 225scic.450 250scic500 Other: No correct answer. Type in your answer and provide the supporting work. Your work will be checked if the question is in fact incorrect. e 2) a C d e 3) Find the ranges of Q, that maintain the same shadow prices and basic variable. 27s 925 48 b 285 q2s 48 30s 92s 48 31s 2s 48 325 92 48 Other: No correct answer. Type in your answer and provide the supporting work. Your work will be checked if the question is in fact incorrect. Find the ranges of q, that maintain the same shadow prices and basic variable 20.53 235 27.3333 b 205 35 26.6667 21sq3s 27.3333 d 21sq3s 27.6667 215 35 28 215 3s 29 B 22.55 43s 28.3333 h 22.5sq3s 29 22.5s q3s 30 Other: No correct answer. Type in your answer and provide the supporting work. Your work will be checked if the question is in fact incorrect a e