Answer and Explanation:
The journal entry is given below:
Cash (11,000 × $28) $308,000
To Paid-in Capital from Treasury Stock $77,000
To Treasury stock (11,000 × $21) $231,000
(Being the recording of 11,000 shares sale is done)
Here the cash is debited as it increased the assets and credited the treasury stock and additional paid in capital as it also increased the stockholder equity