Answer: c) The CPI but not in the GDP deflator.
Explanation: A GDP deflator is a measure of the level of prices of all new, domestically produced finally goods. It is calculated by dividing the nominal GDP by the real GDP.
A Consumer Price Index on the otherhand measures changes in the price level of a weighted average market basket of consumer goods and services purchased by households
The major difference between the CPI and GDP deflator is thay they Reflect a different set of prices. The GDP deflator does not include changes in the price of imported goods, while the CPI does not account for changes in the price of exported goods.