1. A chain of convenience stores has one manager per store who is paid a monthly salary. Relative to the number of stores, is the manager's salary fixed or variable? Why? 2. How does a contribution margin income statement differ from a traditional income statement? Explain the difference between a direct cost and an indirect cost. 3. What is the breakeven point? What are the three approaches to calculating the sales required to achieve the breakeven point? Give the formula for each one. . How can CVP analysis be used by companies with multiple products? 5. What are the primary differences between job order costing systems and process costing systems? 6. Explain the difference between under allocated overhead and overallocated overhead. What causes each situation