Here are the cash flows for a project under consideration: 2 $6,750 +$4,500 18,000 a. Calculate the project's net present value for discount rates of 0, 50%, and 100%. (Leave no cells blank be certain to enter "O" wherever required. Round your answers to the nearest whole dollar.) Discount rate Net present value 096 50% 100% b. What is the IRR of the project? (Do not round intermediate calculations. Enter your answer as a whole percent.) IRR