On January 1, 2015, Hacker Inc. issued (sold) $600,000 of 8%, six-year, convertible bonds for gross proceeds of $660,000. Each $1,000 bond was convertible into 20 common shares. Similar non-convertible bonds were yielding 9% at that time. Interest was paid semi-annually, on June 30 and December 31.

On July 1, 2019, all bondholders exercised the conversion option and converted the bonds to common shares. The interest payment had been made on June 30, 2019, as normal.

The company prepares its financial statements in accordance with IFRS. The market price of the common shares was $65 at the date of conversion.

Prepare journal entries to record:

1. The issuance of the convertible bonds on January 1, 2015
2. Payment of interest and recording of interest expense on June 30, 2015
3. Payment of interest and recording of interest expense on June 30, 2019
4. Conversion of the bonds on July 1, 2019