A 3-year project has the following eash flows: I=$4;C1=+$3;C2=$3;C3=+$2. Use the triangle method to compute the bottom row; i.e. the row below the horizontal line. What is the sum of all the numbers in the bottom row? Give the answer as an integer. QUESTION 8 A 4-year project has the following cash flows: I=$4;C1+$8;C2$8;C3$9;C4$8. Use the triangle method to compute the bottom row; i.e., the row below the horizontal line. What is the sum of all the numbers in the bottom row? Give the answer as an integer. QUESTION 9 Exactly how many IRRs does a 26-year investment project have'? Give the answer as an integer number