Assume the average cost of computer equipment fell 23.1 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. 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. 1-b. Not available in Connect. 2-a. Conduct a vertical analysis by expressing each line as a percentage of total revenues. (Round your answers to 1 decimal place. Input all amounts as positive volues.) 2-b. Excluding income tax, interest, and selling, general, and administrative expenses, did Computer Tycoon earn more profit per dollar of sales in 2017 compared to 2016? Yes No