How does the zero price effect demonstrate irrational behavior?
A) A person who succumbs to the zero price effect will typically spend all their money to get a free item.
B) Slow thinking is required in order to produce a zero price effect.
C) Companies will lose profits if they give something away for free.
D) Items purchased for free always have additional shipping and handling costs.
E) People will spend more money in total in order to get something for free.