please help

A five-year project requires a $20,000 investment in machinery that will be depreciated on a straight-line basis to a value of $0 over its five-year life. The project will have net income of $6,000 per year and operating cash inflows of $7,500 per year. What is the payback period? 2.7 years 5.7 years 1.7 years 2.0 years 1.1 years Which one of these statements is accurate for an independent project with financing type cash flows? The IRR cannot be used to determine the acceptability of the project. The project is acceptable if the required return exceeds the IRR. The project is acceptable only if the NPV is zero or negative. The project's required rate of return will always be negative. The project is acceptable if the internal rate of return is negative