If Supply and Demand Both Simultaneously Increase

Multiple Choice

If supply and demand both simultaneously increase

A) the market clearing price definitely rises, and the equilibrium quantity definitely falls.
B) the market clearing price definitely rises, and the effect on the equilibrium quantity is indeterminate.
C) the market clearing price definitely falls, and the effect on the equilibrium quantity is indeterminate.
D) the effect on the market clearing price is indeterminate, and the equilibrium quantity definitely rises.