On December 2020, a company provide the services for one of its costumer who paid the amount in advance with SAR 4,500. So, the adjusting entry for providing the service during December 2020 will be as follow:

Select one: a. Unearned revenue is debit and interest revenue is credit with SAR 4,500 b. Unearned revenue is debit and interest revenue is credit with SAR 2,250 c. Interest revenue is debit and unearned revenue is credit with SAR 2,250 d. Interest revenue is debit and unearned revenue is credit with SAR 4,500