Long is considering two projects given below: if the two projects have the same payback period, what would be Project 2's internal rate of return (IRR)? Hint: you need to find project 1s payback period and find project 2s cash flow at year 0 using project 1s payback period. please show all excel formulas. thanks!

Year Project 1 | Project 2 Cash Flow Cash Flow -$100 ? 30 40 2 50 80 3 40 60 4 50 60