8. Implied interest rate and period Aa Aa E Consider the case of the following annuities, and the need to compute either their expected rate of return or duration Jacob inherited an annuity worth $6,140.05 from his uncle. The annuity will pay him eight equal payments of $950 at the end of each year. The annuity fund is offering a return of Jacob's friend, Wilson, has hired a financial planner for advice on retirement. Considering Wilson's current expenses and expected future lifestyle changes, the financial planner has stated that once Wilson crosses a threshold of $2,205,948 in savings, he will have enough money for retirement. Wilson has nothing saved for his retirement yet, so he plans to start depositing $85,000 in a retirement fund at a fixed rate of 5.00% at the end of each year. It will take years for Wilson to reach his retirement goal