Common-size and trend percents for Rustynal Company's sales, cost of goods sold, and expenses follovw 016 2015 Sales Cost of goods sold Operating expenses lee . ex lee . ex 1ee.es les . e% 103.8% 10e . e% 63.661.4 57.6 115.9 11.6 1.0 0 13.9 14.2 106.6 101.6180.e Determine the net income for the following years. (Enter all amounts as positive values.) 2017 2016 2015 105,000 S 103,800 100,000 Sales Cost of Goods Sold Operating Expenses Net Income 57,600 14.200 28,200 Did the net income increase, decrease, or remain unchanged in this three-year period? ORemained unchanged O Net income increased Net income decreased