Examlex
The primary purpose of performing a pre-test when developing a telephone or mail survey is to make sure that the respondents can understand the questions and are able to provide meaningful responses.
Variable Cost
Costs that move in correspondence with the quantity of products made or services sold.
Fixed Costs
Expenses that do not vary with production volume or business activity level, such as rent, salaries, and insurance premiums.
Operating Leverage
A measure of how revenue growth translates into growth in operating income, indicating the extent to which a firm uses fixed versus variable costs.
Variable Cost
Costs that change in proportion to the level of output or activity in a business.
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