2. 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). Let's see whether these changes are reflected in the income statement of Chevron Corporation for the year ended December 31, 2013 (amounts in billions). Total Revenues Costs of Crude Oil and Products Other Operating Costs Income before Income Tax Expense Income Tax Expense Net Income 2013 2012 $225 $242 119 127 52 4763 21 S 26 S 37 Required: 1-a. Compute the gross profit percentage for each year. (Round your answers to 1 decimal place.) Gross Profit Percenta 2013 2012 1-b. Assuming that the change from 2012 to 2013 is the beginning of a sustained trend, is Chevron likely to earn more or less gross profit from each dollar of sales in 2014? More Gross Profit O Less Gross Profit