4. If sales increase by $100,000, operating income will increase by:

Use the following information for the next 4 questions. Archie sells a single product for $50. Variable costs are 60% of the selling price, and the company has fixed costs that amount to $400,000. Current sales total 16,000 units 1. Archie's contribution margin per product is: 2. Archie's break-even point in units is: 3. To earn $22,000, Archie's sales (in dollars) must total 4. If sales increase by $100,000, operating income will increase by