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100块呀~~~
197... wat is the answer?
6 a$ o) J2 p6 o! U0 b+ lwww2.tvboxnow.com6 V6 R4 }, t. v7 x9 P; w' p3 y
boss's loss:
& W* C/ G2 i* F4 B100 return to neighbour公仔箱論壇7 m" `& Y0 k, S& O9 D$ q$ ]) ]
79 return to buyerwww2.tvboxnow.com. s( _% u# a# Z5 n* K7 M
18 cost of product
  U3 A' h% k0 D6 K) s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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