197 is the right answer.
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; e- _6 h7 n+ x公仔箱論壇Reason, 5.39.217.76' k' `0 n0 C, H- F- J1 G$ J7 N
. [$ Q8 i! ^: ~: K8 D/ h% z8 n! u" Ztvb now,tvbnow,bttvb1. $18 costs on Item = -$180 M! ]0 ]8 [- n5 i% q2 H0 W0 k
2. got $100 fake, (no income) , layout $79, = -$79
5 |) q G6 N: Q3. pay back to $100 to that vendor whom exchange fake $100 here -$100
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Therefore, totally, 18+79+100 = 197  |