Hello, I am looking for someone to write an article on Consumer Price Index, Retail Price index and GDP deflator. It needs to be at least 250 words. CONSUMER PRICE INDEX, RETAIL PRICE INDEX AND GDP DEFLATOR of Mankiw p. 43) definesConsumer Price Index (CPI) as an economic tool used by economists to measure changes in price levels of goods and services consumed by urban households. While referring to the United States Bureau of Labor Statistics, Wisconsin University (2012) defines CPI as the determinant of the average periodical changes in the prices paid by urban households for goods and services consumed. Wisconsin University (2012) further clarifies that CPI does not cover or consider changes in the prices of other commodities like security, water and health among others.