Question: Fast purchasing problem Fast has four plants that make discs for conventional disc drives. A major raw material for the plants is copper. Fast buys

Fast purchasing problem Fast has four plants thatFast purchasing problem Fast has four plants that
Fast purchasing problem Fast has four plants that make discs for conventional disc drives. A major raw material for the plants is copper. Fast buys the copper from five different companies. How much copper should Fast buy to minimize the total cost of the copper and shipping? Company 1 Company 2 Company 3 Company 4 Company 5 Copper prices (per ton) $50 $47 $48 $45 $43 Cost of shipping from companies to plants (per ton) Company 1 Company 2 Company 3 Company 4 Company 5 Plant 1 $9 $4 54 Plant 2 $7 $6 $3 $2 $4 Plant 3 $7 $3 $7 $5 $2 Plant 4 58 $4 $5 $6 $7 Amounts of copper to buy (tons) Total Bought for each Plant Company 1 Company 2 Company 3 Company 4 Company 5 plant Demand Plant 1 0 0 0 0 430 Plant 2 0 0 0 0 0 350 Plant 3 0 0 0 0 0 400 Plant 4 0 0 0 0 0 370 Total Purchased from each company Available supply 350 250 210 300 490 Cost of Copper Cost of shipping Total cost Total Cost = Total Cost of Copper + Total Shipping CostSolver Parameters X Set Objective: SG$27 To: Max O Min O Value Of: 0 By Changing Variable Cells: SB$18:5GS21 t Subject to the Constraints: $B$18:5F$21 > = 0 Add SB$22

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