Jacob's Event Planning Service has just prepared the unadjusted trial balance, which shows the following balances:

Salary expense:debit $8,000Service revenue:credit $3,000Interest expense:$0

If Jacob's Event Planning Service had rendered one-third of the services covered by the contract in the month the contract was signed, then the final balance of service revenue, as shown on the adjusted trial balance, should be a:

Select one:

A.

credit balance of $3,300.

B.

credit balance of $600.

C.

debit balance of $600.

D.

credit balance of $2,100.