Select the Term from the List Provided That Best Matches

Select the term from the list provided that best matches each of the following descriptions.
A) A condition in which a percentage change in revenue will produce a proportionately larger percentage change in net income
B) A cost that changes in total in direct proportion to changes in volume
C) A factor that causes (or drives) changes in costs
D) Costs composed of both fixed and variable components
E) The difference between a company's sales revenue and its variable costs
F) The way a cost changes relative to change in a measure of activity
G) A cost that remains constant in total when volume changes
H) A company's cost mix or relative proportion of variable and fixed costs to total costs
-Activity base