Vertical Analysis of Income Statement The following comparative income statement (in thousands of dollars) for two recent years was adapted from the annual report of International Speedway Corporation (ISCA), owner and operator of several major motor speedways, such as the Daytona International Speedway and the Talledega Superspeedway. a. Prepare a comparative income statement for Years 1 and 2 in vertical form, stating each item as a percent of revenues. Round percentages to one decimal place. International Speedway Corporation Comparative Income Statement (in thousands of dollars) For the Years Ended December 31, Year 2 and