A consumer expenditure survey reports the following information on entertainment spending: 
Using 2008 as the base year, by how much does a "cost of entertainment" index increase between 2008 and 2009?
Definitions:
Foreclosed
A legal process where a lender takes control of a property after the borrower fails to make mortgage payments.
Vickrey Auction
A type of sealed-bid auction where the highest bidder wins but pays the price offered by the second-highest bidder.
Willingness To Pay
The maximum amount an individual is ready to spend to acquire a good or service, reflecting the value they assign to it.
Expected Revenue
The predicted amount of money that a business will receive from its sales over a certain period, usually calculated by multiplying expected sales by the price of goods or services.
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