On January 17th 2021, Muscat Company Received OMR 4,000 for services previously performed on account. The Journal Entry should be: Select one: Select one: a. DEBIT Cash OMR 4,000 and CREDIT Account receivable OMR 4,000 b. DEBIT Account receivable OMR 4,000 and CREDIT Cash OMR 4,000 C. DEBIT services Revenues OMR 4,000 and CREDIT Cash OMR 4,000 d. No entry not a transaction e. DEBIT Cash OMR 4,000 and CREDIT services Revenues OMR 4,000 9-51DM