197 is the right answer.
% D, l, U. `3 v2 x/ `公仔箱論壇
+ E8 |. K# P# b( itvb now,tvbnow,bttvbReason, os.tvboxnow.com0 N4 U- ]. d0 Q4 M' z
- v' [3 c3 G4 C$ n. jos.tvboxnow.com1. $18 costs on Item = -$18
' j3 i- L% G4 o9 G; ^. ~2. got $100 fake, (no income) , layout $79, = -$79tvb now,tvbnow,bttvb) D$ }7 {+ ]3 [; t# h
3. pay back to $100 to that vendor whom exchange fake $100 here -$100 公仔箱論壇( p, C& d0 R: B
4 H2 p+ o4 p: }% C: fos.tvboxnow.comTherefore, totally, 18+79+100 = 197  |