linq top selling products

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var query =
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    (from item in OrderedItem
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    group item.Qty by item.Product into g
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    orderby g.Sum() descending
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    select g.Key).Take(5); // get the top 5 orders
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var query =
    (from item in OrderedItem
    group item.Qty by item.Product into g
    orderby g.Sum() descending
    select g.Key).Take(5); // get the top 5 orders