NIMCET 2009 Question Paper with solutions

Arrange the following statements $\mathit{P},\mathit{Q},\mathit{R}$, and $\mathit{S}$ in a logical order to make a sensible paragraph.
P: The logic that underlines this is two-fold.
Q: $\mathit{R}\mathit{B}\mathit{I}$ is likely to cut bank rate and CRR.
R: Over the last few years, RBI has tried to implement policy changes.
S: According to sources, bank rate will be cut in April.