The adjusted trial balance of Rocky Acre Spread Inc. on December 31, 2018 includes the following accounts:
Accumulated Depreciation, $6,000; 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, $6,000; Supplies, $200; Supplies Expense, $1,200; Salaries and Wages Payable, $600.
Prepare an income statement for the month of December.