During a certain six-year period, the consumer price index (CPI) increased by 35%, but during the next six-year period, it increased by only 10%. Which of these conditions must have existed during the second six-year period? A. Inflation

B. Depression

C. Deflation

D. Recession

I'll pu the person who answers this brainliest

A. Inflation

Explanation:

CPI is an abbreviation for the consumer price index. The CPI is a measure of the average changes in the prices of consumer goods and services in the economy. The CPI index measures changes in prices of products that represent the general consumption in the economy. Economists use the CPI index to ascertain the rate of inflation.

Inflation is described as the increase in prices of goods and services in the economy in a period. If prices in the economy are increasing at a high rate, the CPI index will be high. A high CPI index indicates the inflation rate is high.

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explanation:

the answer is account d