The average price of a gallon of gas in 2013 dropped $0.12 (3 percent) from $3.61 in 2012 (to $3.49 in 2013) Required: 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 Insignia Corporation for the year ended December 31, 2013 (amounts in billions). (Decreases should be indicated by a minus sign. Enter your answers in billions (i.e., 10,000,000,000 should be entered as 10). Round percentage values to 1 decimal place.) INSIGNIA CORPORATION Income Statements (dollars in billions) For the Year Ended December 31 Change in Dollars Percentage 2013 2012 Total Revenues Costs of Crude Oil and Products Other Operating Costs Income before Income Tax Expense income Tax Expense Net Income 280 $ 297 123 53 121 26 95 118 59 103 20 83 S