Sometimes retailers will give you up to a 5% discount if you pay cash for their products instead of using your credit card. Why?

A) It is just good customer service, especially for repeat customers.
B) They are getting close to their monthly charge limit and don't want to go over it.
C) They are saving on the merchants discount fee so they pass the savings on to you.
D) Its much less paper work to process cash transactions.

Answer: C