Questions regarding a linq query

                    from sales in File.ReadAllLines(file).Skip(1)
                    select sales.Split(",") into sales
                    select (itemName: sales[1], stackSize: sales[2], quantity: decimal.Parse(sales[3]), price: decimal.Parse(sales[4]), otherPlayer: sales[5]) into grouped
                    // grouping the selection by otherPlayer and itemNames
                    group grouped by new { grouped.otherPlayer, grouped.itemName } into grouped
                    // therefore selecting for each player a grouped view where the values
                    // for quantity and price of each item that appears gets summed
                    select new
                    {
                        grouped.Key.otherPlayer,
                        item = grouped.Key.itemName,
                        quant = grouped.Sum(x => x.quantity),
                        price = grouped.Sum(x => x.price) / 10000 
                    }
                    into grouped
                    // here the results for each otherPlayer but not the whole query are getting ordered(secondary sort?)
                    orderby grouped.price descending
                    // if i dont group here again, I cant order by the summed values that each player has, why?
                    group grouped by new { grouped.otherPlayer } into grouped
                    // this order makes the whole query ordered(primary sort?)
                    orderby grouped.Sum(x => x.price) descending
                    select grouped
                    ;