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100块呀~~~
197... wat is the answer?公仔箱論壇  b/ B" {+ c' v$ r* G
tvb now,tvbnow,bttvb( S1 ]  x; l, V9 ~3 t
boss's loss:
6 @3 K; d, Y- N6 `; O2 d# }公仔箱論壇100 return to neighbour) B! C1 I7 Y8 a: h
79 return to buyer5.39.217.76! B& N0 ^- n- v
18 cost of product
, N( O9 u& f+ C! `; g8 Z公仔箱論壇= 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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