Distinguish between 'debit card' and 'credit card'. Describe pros and cons of using a cheque as a payment method.

What is QR code? Recently Bangladesh Bank introduced an interoperable Bangla QR to popularize payments for goods and services using various payment instruments, including bank accounts, debit, credit or prepaid cards, MFS and e-wallet accounts. Do you think that we are heading towards a cashless society in the near future? Give your opinion.

If you use a 'credit card' to purchase goods or services on the internet, does this affect the M1 or M2 money supply or both or neither? Explain.