4. As reported by the Bureau of Labor Statistics, the CPI for 2004 was 189.7 (using a Base Year of 1983 = 100). The CPI for 2005 was 196.1. Based on this data, what was the inflation rate for 2005? (a) 2.3% (b) 3.4% (c) 4.5% (d) 32.6% Show all work