In Canada Most People Know When the Bay and Sears

Multiple Choice

In Canada most people know when the Bay and Sears hold their big sales. Why is it that people shop at any other time of the year for durable or semidurable goods if they know they can get it on sale.

A) Canadians know that retailers are just trying to trick them
B) the opportunity cost of shopping during a sale is high
C) people shop when they need things
D) people aren't always utility maximizers