in the IS-LM model a contractionary monetary policy leads to: an increase in government spending and the level of of output b.

in the IS-LM model a contractionary monetary policy leads to:

a. an increase in government spending and the level of of output 

b. an increase in the demand for money an increase in the interest rate and a decrease in government spending

c. a decrease in the supply of money an increase in the interest rate and an increase in investment spending

1. none of the above 

2. a

3.c

4. b c

5. a b

please explain the right combination