Biggers Company expects the following results for the next accounting period: Sales (3,000 units) $240,000 Variable Costs $135,000 Foxed Costs S40,000 The sales manager believes sales could be increased by 500 units if they took out an additional advertising campaign of $10,000, increasing the company's fored costs. If Biggers purchases the advertising campaign and sales increase by 500 units what will be the change on operating income