Answer Happy

Select the incorrect statement:
a.
The marginal benefit of a good is the change in benefit as one more
unit is consumed.
b.
The marginal cost of a good is the opportunity cost of producing
one more unit of it.
c.
The marginal cost of a good or service is the change in cost
resulting from producing one more unit of it.
d.
As the marginal cost of producing bananas increases, the
opportunity cost steadily falls.