0-18(buy)=-18公仔箱論壇# K% q1 c O0 O m9 [( b, ~+ E1 u
tvb now,tvbnow,bttvb; V+ t5 F% ^9 d) @3 l7 H7 f+ c% _
100(paid)-79(change)=21(sold for)
) I6 A2 L2 q2 j# _公仔箱論壇
$ {( u6 A* _4 F8 T3 z3 A4 s-18+21=3(profit)tvb now,tvbnow,bttvb% u5 L# B" e: Z0 U% I+ V
: O) ?6 }0 ], ]9 y-100(fake)3 D, t2 a% x7 t* x* F
tvb now,tvbnow,bttvb9 B0 H% X7 v; l+ t9 `* M
-100+3= -97 |