单选题 Supposing there are two stocks in an market index: Company X has 50 shares valued at $ 2 each. Company Y has 10 shares valued at $ 10 each. When the index started the price weighted index calculated out to $ 6, and the value-weighted index was 1. Nothing has changed exert. Now the price of Company X's stock is selling for $4 per share. What is the price-weighted index and what is the value-weighted index? Price-weighted Value-weighted ①A. 6 95 ②B. 7 150 ③C. 9 125 A．① B．② C．③