Behavior of Costs

Describe the differences in behavior of fixed costs, variable costs, semi-variable costs and step costs. Then discuss how break-even analysis and contribution margin can be useful in making business decisions.Submission Instructions:

Any written explanations should use complete sentences, and appropriate grammar, punctuation, spelling and word usage.
Your initial post should be at 200-300 words, formatted and cited in current APA style with support from at least 2 academic sources