How does the cpi relate to the annual inflation rate?
a. the cpi measures the government's budget deficit, while the inflation rate measures tax cpi measures the government's budget deficit, while the inflation rate measures tax rates.
b. the cpi is used to adjust the annual inflation rate for changes in the quality of cpi is used to adjust the annual inflation rate for changes in the quality of products.
c. the annual inflation rate is calculated based on changes in the cpi from one year to the annual inflation rate is calculated based on changes in the cpi from one year to the next.
d. there is no relationship between the cpi and the annual inflation rate.