Answer:
The answer is: B) Debit balance of $10,000
Explanation:
Accounts Receivable account is an asset, and when assets increase, they have to be debited.
Before any adjustment was made, Accounts Receivable had a $6,000 balance. The new contract is worth $24,000 hat shall be divided into 6 months, which means $4,000 per month.
So at the end of the month the $4,000 form the new contract must be added to Accounts Receivable. This has to be done be a debit record of 6,000, so the adjusted balance of the account is 10,000.