Early in the accounting period, Appreciative Client paid $3,000 for services in advance of receiving them; Cash was debited and Unearned Service Fees was credited for $3,000. At the end of the accounting period, two-thirds of the services paid for had yet to be performed. The proper adjusting entry is: Select one: a. A) Unearned Service Fees 1,000 Service Fees Earned 1,000 O b.A) Service Fees Earned 2,000 Unearned Service Fees 2,000 O C. A) Unearned Service Fees 2,000 Service Fees Earned 2,000 O d.A) Service Fees Earned 1,000 Unearned Service Fees 1,000