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 fifteenth birthday. Then starting on the child's eighteenth birthday, she withdraws PhP14,358, and increases the withdrawals by 741 until the child's 21st birthday. If the effective interest rate is 10% during this period of time, what is the annual deposit made in years 5 to 15.