Bond $($held$-$to$-$maturity$)$ investments

The following bond investment transactions were completed by Starks Company:

July $1.$ Received semiannual interest on bond investment.

Aug. $30.$ Sold $$42,000$ bonds at $97$ plus accrued interest for $2$ months.

a$.$ Journalize the entries for the preceding transactions. If an amount box does not require an entry, leave it blank.

Jan. $31$

July $1$

Aug. $30$

b$.$ Journalize the December $31$ adjusting entry for semiannual interest earned on the bonds. If an amount box does not require an entry, leave it blank.

Dec. $31$

$?$

c$.$ Journalize the receipt of $$24,000$ at the bonds' maturity on July $1.$ If an amount box does not require an entry, leave it blank.

July $1$