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Ty received a separation payment of $25,000 from his former employer when he was thirty-five years old. He invested that sum of money at 5.5% compounded semi-annually. When he was sixty-five, he converted the balance into an ordinary annuity paying $6000 every three months with interest at 6% compounded quarterly For how long will the annuity continue to pay him?

The annuity will continue to pay him for quarterly periods (Round up to the nearest whole number)