If the CPI was 121.5 at the end of last year and 138.3 at the end of this year, the inflation rate over these two years was
A) 10.2 percent.
B) 13.8 percent.
C) 12.2 percent.
D) 16.8 percent.

Question

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The Answer of If the CPI was 121.5 at the end of last year and 138.3 at the end of this year, the inflation rate over these two years was
A) 10.2 percent.
B) 13.8 percent.
C) 12.2 percent.
D) 16.8 percent.

If the CPI Was 121