197 is the right answer.
6 c: ?3 T1 {( X5 ~$ m# b L公仔箱論壇& W6 z5 J/ k; q: n8 j, s; ?# S& R% w
Reason,
) @/ g- s- E! _) v! u8 o5.39.217.779 p3 Z8 j- g8 b- J5 M
1. $18 costs on Item = -$18公仔箱論壇, T* v" `' b8 A3 _
2. got $100 fake, (no income) , layout $79, = -$79
% D" B0 F, Y( E6 K" ]* q5.39.217.773. pay back to $100 to that vendor whom exchange fake $100 here -$100
) R# }- ?2 B# p; ~5.39.217.779 G6 Y L* z; |& N
Therefore, totally, 18+79+100 = 197 |