Your company is considering two mutually exclusive projects, X and Y, whose costs and cash flows are shown below: 1 Year 0 2. 3 4 X ($1000) 100 400 300 700 Y($1000) 1000 100 100 50 W The projects are equally risky, and their cost of capital is 11 percent. Based on the payback period, what is your recommendation? What are the weaknesses of payback period method