The adjusted trial balance of Rocky Acre Spread Inc. on December 31, 2015 includes the following accounts: Accumulated Depreciation, 56,000; Depreciation Expense, $2,000; Notes Payable $7,500; Interest Expense $150; Utilities Expense, $300; Rent Expense, $500; Service Revenue, $19,600; Salaries and Wages Expense, 56,000; Supplies, $200; Supplies Expense, $1,200; Salaries and Wages Payable, $600. Prepare an income statement for the month of December