1.Explain the concept of barter and how it is used in today's economy.

Provide an example of your own household or work experience.

2- Explain the significance of liquidity with respect to money supply and money demand.

Explain the difference between money supply and money demand.

Provide a real-world example.

3.Using the concept of money, explain how changes in money supply affect interest rates, consumption, and investment.

Provide an example of your own household or work experience.