A rise in general level of prices may be caused by1. an increase in the money supply2. a decrease in the aggregate level of output3. an increase in the effective demandSelect the correct answer using the codes given below.

A rise in general level of prices may be caused by1. an increase in th

1.	A rise in general level of prices may be caused by1. an increase in the money supply2. a decrease in the aggregate level of output3. an increase in the effective demandSelect the correct answer using the codes given below.
A.	1 only
B.	1 and 2 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» E.