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100块呀~~~
197... wat is the answer?0 |8 N/ }+ h: T3 c
0 V4 L& C0 L' i
boss's loss:
1 B* S; Q  F5 ~" q$ w! `tvb now,tvbnow,bttvb100 return to neighbour5.39.217.76% O& R2 P1 @  z/ }* ?, V9 s: r
79 return to buyer5.39.217.76+ u5 m3 ?, m" b
18 cost of product
1 ^" s2 H' T0 M) E) K+ ~$ `  ltvb now,tvbnow,bttvb= 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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