Imagine this: you go to the grocery store one day and buy a loaf of bread for $2. The next month, you go back to buy the same loaf of bread, but now it costs $2.10. You might think, “Why did the price increase? Is it just this store or is it happening everywhere?”
This is where the CPI comes into play. The CPI is a measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care. Essentially, it tracks how the prices of these goods and services change over time. Click the link below to get the book.
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