*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Theory of Cost and Production Functions/en-ca/theory-of-cost-and-production-functions/D671F300-A111-48A9-A5E8-5B494A1DA78A.htmlD671F300-A111-48A9-A5E8-5B494A1DA78A