accountin 205 494917

Profit Margin?? ?Year Ending December 2012?Year Ending December 2011?Year Ending December 2010??Revenues?40,000 (.05%)?35,000?33,000??Operating Expenses?????Salaries?15,000?10,000?9,000??Maintenance and Repairs?6,000?9,000?10,000??Rental Expense?2,500?2,500?2,500??Depreciation?2,000?2,000?2,000??Fuel?4,000?3,500?2,500??Total Operating Expenses?29,500?27,000?26,000??Operating Income?10,500?8,000?7,000??Sales and Administrative Expenses?6,000?4,000?3,000??Interest Expense?2,500?2,000?1,000??Net Income?2,000?2,000?3,000????Above is a comparative income statement for Cecil, Inc. for the years 2010, 2011, and 2012. Calculate the profit margin for each of these years. Comment on the profit margin trend.