Using the price of the following food items,compute the aggregate index numbers for the four types of cheese.Let 1990 be the base year for this market basket of goods. 
Definitions:
Alpha
In finance, a measure of the active return on an investment compared to a market index; in other contexts, it can signify a beginning or a primary factor.
Recent Periods
Refers to the latest or most current time frames for which data or observations are available.
Moving Averages
A forecasting method that uses an average of the n most recent periods of data to forecast the next period.
Historical Data
Information collected from past events and time periods, used for analysis, research, or projection of future trends.
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