Answer:
C. a building would be a fixed factor of production in the short run
Explanation:
A fixed factor of production are factors of production that cannot be readily varied with production level or output e.g. building, equipment.
A variable favor of production are factors of production that can be easily varied with production. E.g. labour
In the long run, all factors of production can be varied.
Insurance is an expense.
Food is the output produced by the restaurant.
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