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100块呀~~~
197... wat is the answer?" v1 g6 L' E& f. p
5.39.217.776 O% a. i4 V1 ~5 ^( d8 l
boss's loss:
; h4 a' P3 v  \  Stvb now,tvbnow,bttvb100 return to neighbour
8 n2 Q# u7 e& R" e) V( I- Ftvb now,tvbnow,bttvb79 return to buyer公仔箱論壇8 U+ s! I' v' u3 }4 e! n
18 cost of product
9 ~8 [+ f1 }! A& I& r- X  q5.39.217.77= 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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