What are the components of a basic CVP income statement

What are the components of a basic CVP income statement?  Why is Contribution Margin important? Chapter 5

#2 Variable Costing (Professor) 

What are the differences between variable and absorption costing?  Why is variable costing useful? Chapter 6

#3 Relevant Cost (Professor)

What is a relevant cost?  Why is it important to know what costs are relevant? Chapter 12

#4 Cost Concepts (Professor)

Thinking about your experiences, tell us about a decision you’ve made that applied one of these concepts:   incremental cost, opportunity cost, and sunk cost. Chapter 12