Suppose the Following Events Occur in the Market for University

Suppose the following events occur in the market for university economics professors.
Event 1: A recession in the U.S.economy lowers the opportunity cost of going to graduate school in economics to become a university economics professor.
Event 2: An increasing number of students in U.S.primary and secondary schools increases the number of students entering college,increasing the output price of university economics professors' services.
As a result of these two events,holding all else constant,what will likely happen to the equilibrium quantity of university economics professors?

A) The equilibrium quantity will increase.
B) The equilibrium quantity will decrease.
C) The equilibrium quantity will not change.
D) It is not possible to determine what will happen to the equilibrium quantity.