NEED ANSWER WITHOUT EXCEL

Consider the following two mutually exclusive projects with a required rate of return of 10%: Year Cash Flow (X) Cash Flow (Y) 0 -24,000 -24,000 1 10,620 12,100 2 10,900 9,360 3 10,500 10,400 Calculate the payback period for project X. Calculate the discounted payback period for project Y. Calculate the NPV of project X. Calculate the IRR of project Y. Calculate the crossover rate of the two projects