ncome Statements 31-Dec Amount Account 2017 2016 Net sales 620,000 500,000 Cost of Goods Sold 450,000 400,000 Gross Profit 170,000 100,000 Operating Expenses 54,000 40,000 Net Income 116,000 60,000 I. Prepare a trend analysis of the income statement data for Marks corp using 2016 as a base in Excel show amounts and % of increase or decrease