You have $3,400 to invest today at 6?% interest compounded annually. a. Find how much you will have accumulated in the account at the end of? (1)6 years, (2) 12 years, and(3)18 years. b. Use your findings in part a to calculate the amount of interest earned in? (1) the first 6 years? (years 1 to 6?), (2) the second 6 years? (years7 to 12?), and? (3) the third 6 years? (years13 to 18?).c.Compare and contrast your findings in part b. Explain how the amount of interest earned changes in each succeeding 6 dash year 6-year period.