1. In May 2018, what was the difference between the year-over-year CPI inflation rate and the year-over-year CPI excluding energy inflation rate? In May 2018, the year-over-year CPI inflation rate was the year-over-year CPI excluding energy inflation rate. O A. equal to O B. 2 2 percent higher than O C. 0.6 percent lower than O D. 0.6 percent higher than 2. Suppose that the expenditure on base-year quantities is $900 in the base year and $1,125 in 2017. What is the CPI in 2017? The CPI in 2017 is DA. 0.80 O B. 125 O C. 80 O D. 1.25