197 is the right answer.
4 ~! _! s' f2 }3 g; v公仔箱論壇tvboxnow.com. p" T2 K: H4 v9 u( G W" }$ _) O
Reason,
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; Q, `7 v3 `# B$ K公仔箱論壇1. $18 costs on Item = -$18tvboxnow.com3 v$ U& V5 L5 G" d* [7 _2 x& A
2. got $100 fake, (no income) , layout $79, = -$79
; [8 H+ }# s. n% m+ @& n7 j3. pay back to $100 to that vendor whom exchange fake $100 here -$100 公仔箱論壇4 S6 C* y. @8 u2 I) b
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Therefore, totally, 18+79+100 = 197  |