Promotion on books
Buy 2 and get 12.5% off
Buy 3 or more and get 20% off
Promotion on posters
Buy 2 and get 12.5% off
Buy 3 and get 20% off
Buy 4 or more and get 22.5% off
Buy 2 and get 12.5% off
Buy 3 or more and get 20% off
Buy 2 and get 12.5% off
Buy 3 and get 20% off
Buy 4 or more and get 22.5% off