Your division is considering two investment projects, each of which requires an up-front expenditure of $15 million. You estimate that the investments will produce the following net cash flows: Year Project A Project B 1 $ 6,000,000 $20,000,000 2 10,000,000 10,000,000 3 20,000,000 6,000,000 a. what are the two projects' net present values, assuming the cost of capital is 5%? Do not round intermediate calculations. Round your answers to the nearest dollar Project A: $ Project B: $ what are the two projects' net present values, assuming the cost of capital is 10%? Do not round intermediate calculations. Round your answers to the nearest dollar Project A: $ Project B: $ what are the two projects' net present values, assuming the cost of capital is 15%? Do not round intermediate calculations. Round your answers to the nearest dollar Project A: $ Project B: $ b. What are the two projects' IRRs at these same costs of capital? Do not round intermediate calculations. Round your answers to two decimal places Project A: Project B