What are the equilibrium price and quantity of frisbees?
A) Equilibrium price: $8, Equilibrium quantity: 200 frisbees
B) Equilibrium price: $6, Equilibrium quantity: 400 frisbees
C) Equilibrium price: $10, Equilibrium quantity: 300 frisbees
D) Equilibrium price: $5, Equilibrium quantity: 500 frisbees