Assume the average cost of computer equipment fell 39.0 percent between 2016 and 2017. Let's see whether these changes are reflected in the income statement of Computer Tycoon Inc. for the year ended December 31, 2017 Sales Revenues Cost of Goods Sold 2017 $77,800 40,000 2016 $123,600 60,000 Gross Profit Selling, General, and Administrative Expenses Interest Expense 37,800 32,000 600 63,600 32,000 440 Income Before Income Tax Expense Income Tax Expense 5,200 2,838 31,160 5,384 Net Income $ 2,362 $ 25,776 Required: 1-a. Conduct a horizontal analysis by calculating the year-over-year changes in each line item, expressed in dollars and in percentages (Round your "Percentage" to 1 decimal place. Any decrease in amounts should be indicated with minus sign) COMPUTER TYCOON, INC. Horizontal Analysis of Income Statements For the Years Ended December 31 Change in Dollars Percentage 2017 2016 123,600 Sales revenues $ 77,800 $