Answer:
The Journal entries are as follows:
(a) on January 1, 2020
cash A/c Dr. $300,000
To Bond payable $300,000
(Bond issued)
(b) On July 1,
Interest expense A/c Dr. $15,000
To cash $15,000
(Interest paid)
Interest expense = $300,000 × 10% × (6/12)
= $15,000
(c) On December 31,
Interest expense A/c Dr. $15,000
To Interest payable $15,000
(To record the interest expense due)