-In Figure 3

-In figure 3.3, assume that the market was at equilibrium and that demand increases by 20 units. What will be the new equilibrium price and quantity?

A) Price will rise by $2 and quantity traded will rise by 20 units.
B) Price will fall by $2 and quantity traded will fall by 20 units.
C) Price will rise by $1 and quantity traded will rise by 10 units.
D) Price will fall by $1 and quantity traded will fall by 10 units.