Homework question

Given following information about an economy.

C = 100 + .9 Yd

T = 100 + .2 t

I = 50 - 10 r

G = 200 

NX = -200

Demand for Money = 10 Y - 153.5 r

Money Supply = 100

Answer following 7 questions:

The multiplier for this economy is:

Choose One

2.5

4

3.57

3