Please explain and provided examples

• Explain variable costs, fixed costs, and mixed costs.
• What is meant by the termrelevant range?
• What is contribution margin and how is it calculated?
• Explain the three methods: the equation approach, the contribution approach, and the contribution margin approach to calculate the break-even point.
• Present a chart that depicts the four steps that are necessary to develop the CVP chart.
• What is margin of safety and operating leverage?