1. Conduct a horizontal analysis by calculating the year-over-year changes in each line item, expressed in dollars and in percentages for the income statement of Computer Tycoon Incorporated for the year ended December 31,2018 2-a. Conduct a vertical analysis by expressing each line as a percentage of total revenues. 2-b. Excluding income tax, interest, and operating expenses, did Computer Tycoon earn more gross profit per dollar of sales in 2018 compared to 2017? Complete this question by entering your answers in the tabs below. Conduct a horizontal analysis by calculating the year-over-year changes in each line item, expressed in dollars and in percentages for the income statement of Computer Tycoon Incorporated for the year ended December 31, 2018. (Decreases should be indicated by a minus sign. Round percentage values to i decimal place.) COMPUTER TYCOON, INCORPORATED Income Statements For the Year Ended December 31 \begin{tabular}{|l|r|l|l|l|l|} \hline Sales Revenue & \multicolumn{2}{|c|}{2018} & \multicolumn{2}{|c|}{2017} \\ \hline Cost of Goods Sold & $ & 106,000 & & \\ \hline Gross Profit & 63,000 & & \\ \hline \end{tabular}