Chapter 4: Cost volume profit (CVP) analysis The contribution margin statement for Sky Miles, Inc. is below. They sell a single product to multiple airlines. The manager is considering investing in an advertising campaign that costs $24,000. She estimates that sales will increase by 630 units due to the advertising campaign. What would be the effect on net operating income if she invests in the advertising campaign? $(9,510)$9,510$(15,090)$11,280$(11,280)