197 is the right answer.
2 X- b7 g9 J7 `6 z# Ttvb now,tvbnow,bttvb
5 h$ Y8 i% v wReason,
% k0 \7 f) w$ |, z- j8 `1 i h/ j; J+ x
1. $18 costs on Item = -$18
5 d, ^8 {, ~& z3 W# r3 H公仔箱論壇2. got $100 fake, (no income) , layout $79, = -$79
" j l3 V8 i F( G4 ~- ~公仔箱論壇3. pay back to $100 to that vendor whom exchange fake $100 here -$100 , j9 L8 k) a2 A: V! U, y: [/ G
+ W# Q, E' q4 c" y公仔箱論壇Therefore, totally, 18+79+100 = 197  |