Question: PROBLEM 2: Recall the model developed in the class for the Refinery Blending Problem Minimize 0.1 R1 + 0.15 R2 + 0.1 H1 + 0.15

PROBLEM 2: Recall the model developed in the class for the Refinery Blending Problem Minimize 0.1 R1 + 0.15 R2 + 0.1 H1 + 0.15 H2 Subject to (DEM REG) 1 R1 + 1 R2 = 800000 (DEM HO) 1 H1 + 1H2 = 500000 (REG COMP) 0.2 R1 + 0.5 R2 >= 320000 (HO COMP) 0.6 H1 + 0.3 H2 = 0 (a) Use SOLVER to obtain the solution. What is the optimum solution and the cost? (b) If the refinery just realized that it has only 500,000 gallons of crude oil 1. Can you still use the refinery plan found in (a)? If not, modify your model to incorporate this constraint and re-solve using SOLVER

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