Answer: The correct answer is : A positive number for the Consumer Price Index shows prices are falling.
Explanation: The main cause of inflation is the increase in prices. Inflation is the rate at which the price level (goods and services) increases and thus the purchasing power of the currency decreases. The most widely used inflation index is the CPI (consumer price index), which is a measure that analyzes the weighted average of the prices of first necessity of a basket of goods and services, including medical care, transportation and food.
