In april 2009, year-over-year the growth rate of m1 fell to 6.1%, while the growth rate of m2 rose to 10.3%. in september 2013, the growth rate of the m1 money sup- ply was 6.5%, while the growth rate of the m2 money supply was about 8.3%. how should federal reserve policymakers interpret these changes in the growth rates of m1 and m2