Answer and Explanation:
Journal entry to record the issuance of the bonds.
A.
Jan 1
Dr cash $500,000
Cr bonds payable $500,000
B. Journal entry to record the accrual of the interest
Dec 31 2020
Dr Interest expense $25,000
Cr Interest Payable $25,000
C. Journal entry to record the payment of interest on January 1, 2021.
Dr Interest expense $25,000
Cr Cash $25,0000
Interest expense $500,000×10%×1/2=$25,000