3 questions

3. If you use an online payment system such as PayPal to purchase goods or services on the Internet, does this affect the M1+ money supply, the M2+ money supply, both, or neither? Explain. 4. Which of the Bank of Canada's measures of the monetary aggregates, MI+, MI + +, M2, M2+, M2+ +, or M3. is composed of the most liquid assets? Which is the largest measure