Form S-1 Table of Contrail Net Income As a result of the factors above, net income decreased $1.1 million, or 3.6%, to $30.0 million for the thrm months ended March 31, 2015, compared to $31.2 million for the three months ended March 31, 2014. Year ended December 31, 2014 Compared With Year ended December 31, 2013 Net Sales Net sales increased $198.3 million, or 27.6%. to $917.8 million for the year ended December 31, 2014. compared to $719.5 million for the year ended December 31, 2013. Volume growth accounted for 25 percentage points of the increase in net sales and a favorable product mix contributed 3 percentage points. The introduction of new products under each of our major product lines drove our growth. In preparation for the systems cutover from our previous ERP system to SAP, we stopped shipping to customers in December 2013 for a partial week. These sales were recovered in the first quarter of 2014 when we resumed shipping to customers. As a result. we estimate that $13.1 million of sales were shifted from the fourth quarter of 2013 to the first quarter of 2014. Excluding this shift in shipments. our net sales growth for the year ended December 31, 2014 would have been 4.1 percentage points lower or 23.5%. Net sales of Dry Foods increased $151.5 million, or 25.6%, to $743.0 million for the year ended December 31, 2014, compared to $591.5 million for the year ended December 31, 2013. Volume growth accounted for 25 percentage points of the increase in net sales of Dry Foods and favorable product mix contributed I percentage point. This volume growth was primarily driven by the introduction of new products under each of our major product lines. Net Sales of Wet Foods. Treats and Other Products increased $46.8 million, or 36.5%, to $174.7 million for the year ended December 31. 2014. compared to $128.0 million for the year ended December 31. 2013. Volume growth accounted for 28 percentage points of the increase in net sales of our Wet Food