Respuesta :
Answer:
D
Explanation:
The industry is a competitive market; hence Kate is told to give fewer lesson because her marginal cost (cost of producing an additional vocal music lesson) Â is greater than the marginal revenue (additional revenue she receives).
Answer:
\ rc) marginal income exceeds its marginal cost.
Explanation:
In microeconomics, marginal income is the change in total income that occurs when the quantity sold increases a unit, that is, the increase in total income that is the additional sale of a unit of a particular good.