Can someone explain where all the numbers stem from step by step. Thanks

On January 1, 2021, Splash City issues $500,000 of 9% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Assuming the market interest rate on the issue date is 8%, the bonds will issue at $549,482. 1. Complete the first three rows of an amortization schedule. (Round your final answers to the nearest whole dollar.) Date Cash Paid Interest Expense Decrease in Carrying Value Carrying Value $ 1/1/21 6/30/21 12/31/21 S $ 22,500 22,500 $ 21,979 22 521 542 549 X 549 548