1 2 3 4 5 -ooo years 6 7 8 2. Using the following graph: 1 2. 3. Using PW, if B-70 and C-150, write the full expression for the interest rate at which benefits and costs are the same Using EUAW, if 70 and C-150, write the full expression for the interest rate at which benefits and costs are the same. Determine the value of IRR in Excel for a 1 2 3 4 5 -ooo years 6 7 8 2. Using the following graph: 1 2. 3. Using PW, if B-70 and C-150, write the full expression for the interest rate at which benefits and costs are the same Using EUAW, if 70 and C-150, write the full expression for the interest rate at which benefits and costs are the same. Determine the value of IRR in Excel for a