81. Suppose that the parents of a young child decide to make annual deposits into a savings account, with the first deposit being made on the child’s fifth birthday and the last deposit being made on the 15th birthday. Then, starting on the child’s 18th birthday, the withdrawals as shown will be made. If the effective annual interest rate is 8% during this period of time, what are the annual deposits in years 5 through 15? Use a uniform gradient amount

(G) in your solution. (See Figure P4-81, p. 210.) (4.11)