Please solve by hand and not through excel (also do incremental analysis)

Question 4 (25 points): Two mutually exclusive investments have the following cash flows and both need to have a minimum rate of return is 15% for the first five years and 10% for the last five years. Which project would you recommend for funding using NPV analysis. Project A: CF Year C=-6,000 0 1=1000 1 I=1100 2 I=1200 3 I=1300 4 ... I=1300 ... 10 L=$2,600 Project B: CF C=-6,500 I=1350 I=1350 I=1350 I=1350 ... Year 0 1 2 3 4 ... C: Cost, I: Income, L: Salvage Value I=1350 10 L=$8,500