Please help with VOCAB

Decrease as volume decreases, but not in direct proportion to changes in volume
	Costs that the company is locked into due to previous management decisions
	Treats only variable costs as product costs
	Result from annual management decisions
	Change in direct proportion to changes in volume
	Total mixed cost - (variable cost per unit * number of units)
	Gross profit operating expenses
	Band of volume where total fixed costs and variable cost per unit remain the same
	Fits a mixed cost line through the highest and lowest data points
	Statistical procedure for determining the line and associated cost equation that considers all data points
	Increases as volume increases
	Helps managers visualize the relationship between cost and volume of activity
	Contribution margin total fixed expenses
	Sales revenue variable costs
	Sales revenue cost of goods sold
	Decreases as volume increases
	Performed by using judgment to classify costs as variable, fixed or mixed
	Required by GAAP

1.	Total Variable costs
2.	Total Fixed costs
3.	Mixed costs
4.	Committed fixed costs
5.	Discretionary fixed costs
6.	Variable cost per unit
7.	Fixed cost per unit
8.	Relevant range
9.	Account analysis
10.	Scatterplot
11.	High-low method
12.	Regression analysis
13.	Absorption costing
14.	Variable costing
15.	Contribution margin
16.	Gross profit
17.	Operating income on an absorption costing income statement
18.	Operating income on a contribution margin statement