500 Presented below is the adjusted trial balance of Kelly Corporation at December 31, 2020 Debit Credit Cash 6,850 Supplies 1,200 Prepaid Insurance 1,000 Equipment 48,000 Accumulated Depreciation-Equipment $ 4,000 Trademarks 950 Accounts Payable 10,000 Salaries and Wages Payable Unearned Service Revenue 2,000 Bonds Payable (due 2027) 9,000 Common Stock, $1 par, 10,000 shares issued and 10,000 outstanding Retained Earnings 25,000 Service Revenue 10,000 Salaries and Wages Expense 9,000 Insurance Expense 1,400 Rent Expense 1,200 Interest Expense 900 Total $ 70,500 $ 70,500 Instructions: Prepare a single-step income statement for Kelly Corporation