Economics (AS & A Level) · May / June 2026 · Paper 14 · Question 10

The demand curve of a product is represented by the equation Qd = 80 − 5P. The supply curve of a product is represented by the equation Qs = 40 + 3P, where Qd = quantity demanded, Qs = quantity supplied and P = price. What is the equilibrium price of the product?

1. A$5
2. B$8
3. C$15
4. D$20

As printed in the paper