The Consumer Price Index (CPI) summarizes the cost of a representative market basketof goods that includes groceries, restaurants, transportation, utilities, and medical
care. Global companies often use the CPI to determine living allowances and salaries
for employees. Inflation is often measured by how much the CPI changes from year to
year. Relative CPIs can be found for different cities. We have data giving CPI components
relative to New York City. For New York City, each index is 100(%).