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4.(10 pts) A firm is considering the development of several new products. The products under consideration are listed below; the projects in each project group are mutually exclusive. At most one product from each group will be selected. The firm has a MARR of 10% per year and a capital investment budget limit of $2,100,000. The life of all products is 10 years with no salvage value. Values below are in thousands of S. A1 A3 Project Group Products Investments, $K | Annual Net Cash Flow, SK 500 90 A2 650 110 700 115 600 105 675 112 C1 800 150 C2 1,000 175 B2 a) List all mutually exclusive combinations. b) Determine which combination of products should be selected, 4.(10 pts) A firm is considering the development of several new products. The products under consideration are listed below; the projects in each project group are mutually exclusive. At most one product from each group will be selected. The firm has a MARR of 10% per year and a capital investment budget limit of $2,100,000. The life of all products is 10 years with no salvage value. Values below are in thousands of S. A1 A3 Project Group Products Investments, $K | Annual Net Cash Flow, SK 500 90 A2 650 110 700 115 600 105 675 112 C1 800 150 C2 1,000 175 B2 a) List all mutually exclusive combinations. b) Determine which combination of products should be selected