题目内容
某股票价格指数，选择A、B、C三种股票为样本股，基期价格、某日收盘价如表1所示。 表 1 股票 A B C 基期价格 5.00 9.00 4.60 收盘价 8.50 18.00 7.80 设基期指数为1000点，则按综合法编制股价指数，该日股价指数为( )点。
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