2010 2009 Net sales Cost of sales Selling and administrative expenses Other income $233,000 %204,000 (124,000)(110,000) (81,500) (95,000) (3,700) 100 (3,050) 1,175 $10,400 10,625 (4,740) 5,885 1,510 $ 7,395 Interest Other Earnings before tax and extraordinary items Provision for income tax Earnings before extraordinary items Extraordinary items (4,800) 5,600 5,600 Total assets $202,000 $173,000 What is the trend in gross profit margin from 2009 to 2010? O a slight increase (less than 1%) a slight decrease (less than 1%) no change increased by more than 5% decreased by more than 5%