You are using the payback rule to make investment decisions. The cutoff year is 3 years. Which of the following projects will you accept? Project 1: CF0 = -1000, CF1=500, CF2=250, CF3=250, CF4=100 Project 2: CF0 = -1000, CF1=500, CF2=100, CF3=250, CF4=100 Project 3: CF0 = -1000, CF1=500, CF2=250, CF3=100, CF4=250