Using 2010 as the base year, prepare a trend analysis of the data that follow, and tell whether the situation shown by the trends is favorable or unfavorable. (Round to one decimalplace.)

Net sales Cost of goods sold General and administrative expenses Operating income 2014 2013 20122012010 $51,040 $47,960 $48,400 $45,760 $44,000 34,440 30,800 31,080 29400 28,000 10,176 6,040 6,792 7,446,568 6,400 10,560 10,368 9,792 9,600