Year Ending December 2012Year Ending December 2011Year Ending December 2010Reven

Year Ending December 2012Year Ending December 2011Year Ending December 2010Revenues40000 (.05%)3500033000Operating ExpensesSalaries15000100009000Maintenance and Repairs6000900010000Rental Expense250025002500Depreciation200020002000Fuel400035002500Total Operating Expenses295002700026000Operating Income1050080007000Sales and Administrative Expenses600040003000Interest Expense250020001000Net Income200020003000Above 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.
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