Exercise 13-6 Here are the comparative income statements of Pronghom Corp. PRONGHORN CORP Comparative Income Statement For the Years Ended December 31 2017 2016 Net sales Cost of goods sold Gross Profit Operating expenses Net income $640,900 434,700 206,200 77,800 $ 128,400 $570,000 405,900 164,100 41,200 $ 122,900 Prepare a horizontal analysis of the income statement data for Pronghorn Corp, usin -20% or (55,000), (20%). Round percentages to 1 decimal place, eg, 12.1 PRONGHORN CORP Comparative Income Statement