Engineering economy

A city is spending exist21 million on a now sewage system. To cover the cost, the city will issue bonds with a face value of exist2, 500, paying 6.75% interest per year and redeemable at face value in 16 years. If an investor's personal MARR is 9.5% per year, what is the maximum price the investor can pay for one of the municipal bonds if the bond is held until maturity ? (Enter your answer as a number without the dollar exist sign.)