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CPI
A consumer price index (CPI) measures changes in the price level of goods and services purchased by households
http://en.wikipedia.org/wiki/Consumer_price_index -
Goods
a good is a product that can be used to satisfy some desire or need
http://en.wikipedia.org/wiki/Good_(economics) -
Services
The equivalent of a good, but performed by another person, or company (lawn mowing, Haircut, etc.) -
Inflation
inflation is a rise in prices of goods and services in an economy over a period of time -
Interest
the price paid for the use of borrowed money -
Budget
a financial plan and a list of all planned expenses
