Gandee Company has an operating leverage factor of 5. Which of the following statements is true? Thus, an 8% change in should result in a 40% change in- "The respective amounts that change are: An 8% change in fixed costs should result in a 40% change in income. O An 8% change in variable costs should result in a 40% change in contribution margin. An 8% change in income should result in a 40% change in sales revenue. An 8% change in sales revenue should result in a 40% change in income. An 8% change in variable costs should result in a 40% change in break-even sales. e)