Answer:
c. Debit Cash, credit Unearned Revenue.
Explanation:
The journal entry is shown below:
Cash A/c Dr $2,000,000
To Unearned Revenue A/c $2,000,000
(Being advance cash is received)
For selling the advance tickets, we debited the cash account as cash is received and credited the unearned revenue because the service is not performed. It is recorded as a liability
Hence, the most appropriate option is c.
Therefore, all other options are wrong