The following are the cash flows of two projects Proiect A Project B - 220 220 What is the payback period of each project? (Round your answers to 1 decimal place.) Project Payback Period If you insulate your office for $27.000. you will save $2.700 a year in heating Savings will last forever a. What is the NPV of the investment when the cost of capital is 6% 10%? Cost of Capital NPV b. What is the IRR of the investment? (Enter your answer as a whole percent.) IRRI c. What is the payback period on this investment? Payback period years Here are the cash flows for a project under consideration: Co -57440 $5,340 $19.080 a. Calculate the project's not present value for discount rates of 0, 50%, and 100% (Round your answers to the nearest whole dollar.) Discount Rate Net Present Value 09 50% 100% b. What is the IRR of the project? (Do not found intermediate calculations. Enter your answer as a whole percent.) IRR