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The difference between the value that an activity generates and the cost of the activity is called the margin.
Secondary Information
Data that has been collected previously by someone else, used for research or analysis.
Primary Data
Data that is collected firsthand by the researcher for a specific research purpose or project.
Tertiary Data
Information that has been collected and processed from secondary sources rather than obtained directly from original sources.
Secondary Data
Information that has been collected previously by someone else, used for research purposes other than the original intent.
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