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100块呀~~~
197... wat is the answer?
6 d+ z( n/ _3 ~1 p& V- L公仔箱論壇www3.tvboxnow.com2 [2 {, ]1 f# ^! C2 ]( N& `2 w) l- z
boss's loss:tvb now,tvbnow,bttvb% G3 C  R7 U: D6 Q2 r
100 return to neighbour
# e3 C* x% w6 n7 v, w2 N3 I6 mwww3.tvboxnow.com79 return to buyer
+ @( N5 }1 N6 h: p18 cost of product公仔箱論壇  f, T4 E0 r- G  t% @; W
= 197
197
y 97 R??????
197
97...
97蚊
100+79+18
197????
100(cash)+18(cost)
100(cash)+97(change)+18(cost)+3(profit)
197 or 200
197-200
200-197
Thank you
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