3. (5 points) Choose from opportunity cost, total cost, fixed cost, variable cost, average total cost,
and marginal cost to fill in the type of cost that best completes each sentence:
(1)
above it.
is falling when marginal cost is below it and rising when marginal cost is
(2) A cost that does not depend on the quantity produced is a(n)
(3) In the ice-cream industry in the short run,
and sugar but not the cost of the factory.
(4) Profits equal total revenue minus
(5) The cost of producing an extra unit of output is the
includes the cost of cream