The current share price of Hanyang stock is $10 per share, and 100 shares are issued. The stock price of Korea stock is $40 per share, and 50 shares are issued. The share price of Yonsei stock is $80 per share, and 200 shares are issued. If tomorrow's Hanyang stock price is $20, Korea stock price is $50, and Yonsei stock price is $40, what is the value-weighted index? (the index has a base period value of 100.) *

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