Given below is a numbered list of cost terms. For the given definition statement. '_____ costs are those which are unaffected by changes in activity level over a feasible range of operations for the...

Given below is a numbered list of cost terms. For the given definition statement. '_____ costs are those which are unaffected by changes in activity level over a feasible range of operations for the capacity available.', place the number of the cost term in the blank that makes the statement a correct definition. Each cost term is used only once.

Extracted text: Numbered List of Cost Terms: 1. Recurring 5. Opportunity 2. Variable 6. Incremental 7. Direct 8. Nonrecurring 3. Fixed 4. Sunk