Governments have a number of economic targets as part of their monetary policy.

Which of the following targets relate predominantly to monetary policy?

1 Increasing tax revenue
2 Controlling the growth in the size of the money supply
3 Reducing public expenditure
4 Keeping interest rates low

A. 1 only
B. 1 and 3
C. 2 and 4 only
D. 2, 3 and 4