Hoffman, Incorporated adjusts its books each month but closes its books at the end of the year. The company's unadjusted trial balance at March 31 is as follows: Credit Debit $ 10,920 9,620 1,300 3,120 26,000 Cash Accounts Receivable Supplies Prepaid Insurance Equipment Accumulated Depreciation: Equipment Unearned Service Revenue Capital Stock Retained Earnings Dividends Service Revenue Earned Salaries Expense Utilities Expense Rent Expense Totals $ 10,400 6,500 5,200 23,400 1,560 16,510 7,800 390 1,300 $ 62,010 $ 62,010 According to service contracts, $4,810 of the Unearned Service Revenue has been earned in March. The amount of Service Revenue Earned to be reported in the March income statement is: Multiple Choice $21,320 O $11,700 $20,410 O O $16,510