Contribution margin is

Contribution margin is it Sales less cost of goods sold or Sales less all variable and fixed expenses.

How do costs behave when there is a change in volume?a) ______ increases or decreases in total in direct proportion to increases or decreases in sales volume. b) ______ remains the same in total, regardless of change in sales. c) ______ have both a variable and fixed component. d) Answer the following regarding the high-low method:i) What is the formula for determining the variable costs when using the high low method:ii) Given the following information for the high and low levels, what is the variable cost per unit and the total fixed costs? iii) Based on the information in part ii), what is the relevant range?In MyAccountingLab, complete Try It! 21-1 and S21-1 through S21-3.LO2. What is contribution margin, and how is it used to compute operating income?a) What is the contribution margin if net sales revenue is $100,000 and variable costs are $40,000?  b) Based on the information in part a), what is the contribution margin ratio?In MyAccountingLab, complete Try It! 21-2 and S21-4 and…

Variable costing is sometimes called a. differential b. direct c. profitability  d. absorption costing.