3-5 please

QUESTION 3 Using the following series of cash flows and an 5% interest rate, what is the project's NPV? Period Amount CFO -400 CF1 80 CF2 130 CF3 150 CF4 150 17.48 25.89 47.09 56.34 74.35 QUESTION 4 What the internal rate of return for this project? Period Amount CFO -250 CF1 70 CF2 100 CF3 125 CF4 50 CF5 15 5.83% 8.93% 12.45% 15.90% 18.36% QUESTION 5 Using the following series of cash flows and an 3% interest rate, what is the project's NPV? Period Amount CFO -120 CF1 40 CF2 -20 CF3 60 CF4 40 -6.98 -7.34 -8.23 -9.03 n