Answer:
B. Debit treasury stock for $16 million and Credit cash for $16 million
Explanation:
The journal entry below shows how Anthem records the repurchase
Treasury stock account Dr. $16 million
(200,000 shares × $80 per share)
To Cash account Cr. $16 million
Treasury stock is debited so as to decrease total shareholder's equity while cash is credited in order to record the expenditure of the company.