Which of the following items can be considered money in the Canadian economy? Explain your answers by discussing the three functions of money - medium of exchange, store of value, and unit of account.

A. A Canadian $100 bill

B. A Visa credit card

C. A well-known painting by Robert Bateman

D. The balance in an interest earning savings account

E. A U.S. treasury bill payable in three months

F. A share of tim hortons stock

D. A $1 bill of Canadian tire money