Common-size and trend percents for Roxi Company's sales, cost of goods sold, and expenses follow. Common-Size Percents Trend Percents Current Year 1 Year Ago 2 Years Ago Current Year 1 Year Ago 2 Years Ago Sales 100.0% 100.0% 100.0% 104.5% 103.3% 100.0% Cost of goods sold 63.3 61.1 56.1 117.9 112.5 100.0 Operating expenses 14.3 13.8 14.1 106.1 101.1 100.0

Determine the net income for the following years. Did the net income increase, decrease, or remain unchanged in this three-year period?