Unexpected inflation causes the demand for money to and the interest rate to . 2. If the supply of money increased, the interest rate will and investment will . True or False 3. When the interest rate is high, the opportunity cost of holding money increases so the quantity of money demanded will decrease. 4. The money supply includes all assets like cash, demand deposits, bonds, and real estate. 5. Monetary policy is when the central banks changes the interest rates by changing the money supply