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100块呀~~~
197... wat is the answer?
" ]. X9 o7 K+ g( @7 z6 N8 R0 @9 d/ ^' k$ R4 y: V; ], d7 h
boss's loss:
" w! }& f9 H7 E100 return to neighbour
7 F* p  M; ]* D2 ntvb now,tvbnow,bttvb79 return to buyer5 s' Q6 q7 o% \
18 cost of product
/ {; W2 e2 p8 r; ~* @6 p0 ~0 h= 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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