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Buy = 8 + 10 = $18
2 K# ^% t: I' {+ d. O/ T6 C5.39.217.77Sell = 9 + 11 = $20
: N% B% w' F1 e0 p* @' o$ _) h5.39.217.776 Q, [" }8 y, Q2 ]+ X0 }( {
Gain = $2
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