Lindsay Kelly bought 100 shares of Google, 300 shares of Microsoft, and 500 shares of Nokia in January 2005. The adjusted close prices of these stocks over the next three years are shown in the accompanying table. 
Which of the following is the weighted aggregate price index for Lindsay's portfolio for 2007, using 2005 as the base year?
Definitions:
Immigrants
Individuals who move to a country different from their country of origin for the purposes of settling, working, or studying.
Financial Payments
Transactions involving the transfer of money or other monetary instruments from one party to another as compensation or for acquiring goods or services.
Immigration Effects
The impact of immigration on the economy, labor markets, and demographics of a country.
Average Wage Rate
The mean hourly rate of pay for workers in a specific region or sector, calculated by dividing total wages by the number of workers.
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