A project has the following cash flows: Year Cash Flow $ 68,000 -44,000 - 31,600 a. What is the IRR for this project? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the NPV of this project if the required return is 4 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. What is the NPV of the project if the required return is O percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) d. What is the NPV of the project if the required return is 22 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Internal rate of return b. NPV c. NPV d. NPV