Question: e (D 2. The following problems refer to the Powerco example. a) Determine the range of values of c14 for which the current basis

e (D 2. The following problems refer to the Powerco example. a) Determine the range of values of c14 for which the current basis remains optimal. b) Determine the range of values of e34 for which the current basis remains optimal c) If s2 and d3 are both increased by 3, what is the new optimal solution? d) If s3 and d3 are both decreased by 2, what is the new optimal solution? From To City City City City Supply 1 2 3 4 (Million kwh) Plant 1 $8 $6 $10 $9 35 Plant 2 $9 $12 $13 $7 50 Plant 3 $14 $9 $16 $5 40 Demand 45 20 20 30 30 (Million kwh) Table 1. Shipping costs, Supply, and Demand for Powerco Example

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