On January 2, 2015, Concrete Master Construction, Inc. issued $500,000, 10-year bonds for $574,540. The bonds pay interest on June 30 and December 31. The face rate is 8% and the market rate is 6%. What is the carrying value of the bonds after the first interest payment is made on June 30, 2015?

The answer is $571,776

why??????????

ALSO

On January 2, 2015, Hi-Tech Master Construction, Inc. issued $500,000, 10-year bonds for $574,540. The bonds pay interest on June 30 and December 31. The face rate is 8% and the market rate is 6%. The annual cash payment (paid in semiannual payments) on the bonds is?