0-18(buy)=-18
! P5 x6 g9 u" K9 z7 qtvb now,tvbnow,bttvb( {8 G2 F! _" t9 L
100(paid)-79(change)=21(sold for)
, [" ]9 v1 K' c- o O7 ^- Z' Z* W2 s8 t
-18+21=3(profit)
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' v1 |2 G) x, e( j/ ?, Otvb now,tvbnow,bttvb-100(fake)
+ E( s/ ^# Q5 w, F, d, r0 D公仔箱論壇tvb now,tvbnow,bttvb- n k# k J$ ]1 B8 E
-100+3= -97 |