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Musk Enterprises would like to choose among a series of new investment projects (see below). Answer the following: A. Formulate and solve an integer programming model for maximizing the net present value. B. Assume that if Purchase of New Equipment is carried out, Extensive Warehouse Expansion must also be pursue. Create another model to find the optimal solution. Project Limited Warehouse Expansion Extensive Warehouse Expansion Test Market New Product Advertising Campaign Research & Development Purchase New Equipment $ $ $ $ $ S Capital Requirements Year 1 Year 2 3,000 $ 1,000 $ 2,500 $ 3,500 $ 6,000 $ 4,000 $ 2,000 S 1,500 $ 5,000 $ 1,000 $ 1,000 $ 500 $ Year 3 4,000 $ 35,000 $ 5,000 $ 1,800 $ 4,000 $ 900 $ NPV 4,000 6,000 10,500 4,000 8,000 3,000 Year 1 10,500 $ Year 2 7,000 $ Year 3 8,750 Funds Available $ MODEL