Show transcribed image text) BIP model is following: Let X1, X2, X3 be the number of computers to purchase from each supplier. Y1, Y2, Y3 are auxiliary variables, whic…View the full answerTranscribed image text: 7.17. The school board for the Bellevue School District has made the decision to purchase 1,350 additional Macintosh com- puters for computer laboratories in all its schools. Based on past experience, the school board also has directed that these com- puters should be purchased from some combination of three companies-Educomp, Macwin, and McElectronics. In all three cases, the companies charge a discounted variable cost per com- puter and a fixed delivery and installation cost for these large sales to school districts. The next table shows these charges as well as the capacity (the maximum number of computers that can be sold from the limited inventory) for each of the companies. Educomp Macwin McElectronics 700 700 1,000 Capacity Fixed cost $45,000 $35,000 $50,000 Variable cost $750 $775 $700