Question Ahmed Al-Ahmad started his own consulting firm on December 1, 2019. The unadjusted trial balance at December 31 is shown below. Al-Ahmad Company Unadjusted Trial Balance December 31, 2019 Account Title Cash Accounts Receivable Supplies Prepaid Insurance Office Equipment Accounts Payable Unearned Service Revenue A Al-Ahmad, Capital Service Revenue Salaries Expense Rent Expense Total Debits ($) Credits (S) 7,150 6,000 2,000 3,000 15,000 4,500 4,000 21,750 7,900 4,000 1,000 $38,150 $38,150 Requirement: Assume that invoices representing $1,000 of services performed during the month have not been recorded as of December 31. How this transaction should be recorded by the end of year? O A Unearned Service Revenue (Debit) and Service Revenue (Credit) by $1,000 OB. Service Revenue (Debit) and Unearned Service Revenue (Credit) by $1,000 C. Accounts Receivable (Debit) and Service Revenue (Credit) by $1,000 D. Service Revenue (Debit) and Accounts Receivable (Credit) by $1,000