Answer:
b. Debit Cash, $3,600; credit Unearned Legal Fees Revenue, $3,600
Explanation:
Cash Collected in advance against the service to be performed in the following month is actually an unearned revenue and it is considered as liability when it is received. The revenue will be recognized in the following month and balance will be transferred from unearned revenue to revenue account.
As cash is received so it will be debited due to its debit nature and A liability of unearned revenue is created so it will be created due the credit nature of liability account.