Briefly describe the Consumer Price Index, "CPI". Is the current CPI an accurate measure of consumption in the U.S. from 2021 - 2022 (2nd qtr.)? Using an example, explain how the CPI account for consumption in the U.S. from 2021 to 2022 (2nd qtr.). Include two macroeconomic reasons to support your response. Explain how each reason correspond to your example of the CPI consumption in the U.S