An individual is about to earn the annuity with the series of yearly regular payment from the financial institution. Due to the uncertainty of interest rate environment and the random assignment of the yearly amount and the number of payments to be received by this individual, the financial institute conducts the project analysis on evaluating the price of the annuity. The following table provides 3 possible scenarios and 3 different variables: Variables Worst case Base case Best case Level yearly payment $80 $200 $320 Annual effective 15% 10% 5% interest rate Number of yearly 3 7 10 payments (a) Conduct the scenario analysis. (b) Conduct the sensitivity analysis on the annual effective interest rate