LO3 (Cost Volume Profit) Data for Herron Corporation are shown below: Per Unit Selling price $75 Variable expenses. 45 Contribution margin $30 Percent of Sales 100% 60% 40% Fixed expenses are $75,000 per month and the company is selling 3,000 units per month. Required: 4. Prepare a profit graph for the company and estimate the company's break-even point in unit sales using your profit graph