Horizontal analysis (trend analysis) percentages for Dody Company's sales revenue, cost of goods sold, and expenses are shown below. Horizontal Analysis 2018 2017 2016 Sales revenue 94.0 % 108.7% 100.0 % Cost of goods sold 105.2 94.2 100.0 Expenses 106.3 100.0 94.9 Did Dody's net income increase, decrease, or remain unchanged over the 3-year period? 2017 2018