Can you explain this problem to me, please? Can you explain it step by step?

If $500,000 of 10-year bonds with interest payable semiannually are sold for $494,040 based on (1) the present value of $500,000 due in 20 periods at 5% plus (2) the present value of twenty $25,000 payments at 5%, the nominal or contract rate and the market rate of interest for the bonds are both 10%.

True or False