Please show all the steps and formulas used, and please explain each answer. Do not just give a chart show all the steps through calculations.

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 $. Annual Net Cash Flow, $K 90 A2 Project Group Products Investments, $K 500 650 700 B1 600 B2 675 800 C2 1.000 110 115 105 112 150 175 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 $. Annual Net Cash Flow, $K 90 A2 Project Group Products Investments, $K 500 650 700 B1 600 B2 675 800 C2 1.000 110 115 105 112 150 175 a) List all mutually exclusive combinations. b) Determine which combination of products should be selected