The base year method of calculating real GDP compared

• A.  quantities produced in different years using prices from a year chosen as a reference period
• B.  quantities produced in different years with the prices that prevailed during the year in which the output was produced
• C.  the quantities of goods produced in consecutive years using prices in both years and averaging the percentage changes in the value of output
• D.  prices at different points in time using a sample of goods that is representative of goods purchased by households
• E.  None of the above