Using the price of the following food items,compute the aggregate index numbers for the four type of cheeses.Let 1990 be the base year for this market basket of goods. 
Definitions:
Inventory Investment
The stock of goods or merchandise kept by a business with the intent to sell it for profit.
Depreciation
A measure of the decrease in value of an asset over time, often due to wear and tear or obsolescence.
Inventory Investment
Refers to the change in the level of stocked goods in a period, contributing to the calculation of Gross Domestic Product (GDP).
Net Investment
The total spending on new capital assets minus the depreciation on existing capital.
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