The increase in prices in an economy over time is measured by the: A. aggregate demand
B. gross domestic product
C. rate of inflation
D. unemployment rate

Ans C. the inflation rate

The inflation rate is the rate at which the general level of prices for goods and services is rising. If the price of a product is $X today and after a year if the price of that product is more than $X then it could be due to inflation effect, keeping other factors constant. Inflation leads to increase in price of products and services leading to decrease in their demands.

answer; sales of books;

it established new limitations on use and disclosure for marketing purposes, prohibited selling medical information, expanded individuals’ rights to accessing their own information, and to obtain restrictions from certain disclosures of protected heath information to health plans.