AH 6-2 Computing a Segment Margin LO 6-4 Last month, Annie's Homemade's mobile sales segment had sales, variable expenses, and traceable fixed expenses of $14,000. $4,200, and $1,000, respectively. The company's overall sales and common fixed expenses for the month were $40,000, and $12,000, respectively. Required: 1. What was the mobile sales segment's total contribution margin last month? 2. What was the mobile sales segment's contribution margin ratio last month? 3. What was the mobile sales segment's total segment margin last month? 4. If next month the mobile sales segment increases its unit sales by 15%, by how much will the company's overall profits increase? Answer is not complete. Complete this question by entering your answers in the tabs below. If next month the mobile sales segment increases its unit sales by 15%, by how much will the company's overall profits increase