Which of the following items can be considered money in the Canadian economy? Explain your answers in one

or two sentences by discussing all three functions of money - a medium of exchange, a store of value, and a unit

of account. (2 marks each)

a) An American Express credit card

b) A share of Apple stock

c) A well-known painting by Robert Bateman

d) A $100 Bank of Canada note

e) A U.S. Treasury bill payable in three months