this project is 7 percent. a. What is the project's payback period? b. What is the project's NPV? c. What is the project's PI ? d. What is the project's IRR? a. The project's payback period is years. (Round to two decimal places.) b. The project's NPV is $. (Round to the nearest cent.) c. The the project's PI is (Round to three decimal places.) d. The project's IRR is \%. (Round to two decimal places.)