excel fomula please

You find a zero coupon bond with a par value of $10,000 and 24 years to maturity. If the yield to maturity on this bond is 4.2 percent, what is the dollar price of the (Use cells A6 to 812 from the given information to complete this question. You must use the built-in Excel function to answer this question. Leave the "Basis" input blank in the function. You may enter a constant as a hard coded value.)