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Buy = 8 + 10 = $180 w: K6 O9 J; a( w
Sell = 9 + 11 = $20; C' @" n& w2 [/ p6 ?3 t. e
5.39.217.77/ j% H5 f8 E  J0 ~! f' Z% p/ i
Gain = $2
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