197 is the right answer.
d( h2 \, U3 x$ x" o" xtvb now,tvbnow,bttvb
% R% D( N+ r3 m& W7 t9 Wtvb now,tvbnow,bttvbReason,
% B: m4 o) D+ H, Rtvb now,tvbnow,bttvb
2 K# t5 V$ m+ F" u% \. B+ F公仔箱論壇1. $18 costs on Item = -$18/ {% F* ?/ `2 z) \3 ]
2. got $100 fake, (no income) , layout $79, = -$79tvb now,tvbnow,bttvb- r6 u+ |$ y1 p0 P1 r& a
3. pay back to $100 to that vendor whom exchange fake $100 here -$100
g2 _4 T* R! O3 z2 s) ^" x; Y公仔箱論壇
8 z. r' h# Y( q! j3 ]/ ~" Atvb now,tvbnow,bttvbTherefore, totally, 18+79+100 = 197  |