Also what is the IRR and payback period?

A project has the following cash flows: At inception: -260,000 Year 1: 72,000 Year 2: 80,000 Year 3: 94,000 Year 4: 110,000 Assuming a WACC of 15%, what is the NPV? 96,000 -12,200.43 5,483.00 -11,590.41 -12,810.45