197 is the right answer.
' a8 K0 Q0 a& v' _2 B m. V公仔箱論壇5 j( [% {' x2 O' z V# o: H
Reason, 5 A0 q4 `3 ?5 T/ s8 E! F
tvb now,tvbnow,bttvb8 @! J1 N5 m3 V! U
1. $18 costs on Item = -$18# }5 M; U6 [) g: `
2. got $100 fake, (no income) , layout $79, = -$79" o, |- f* a2 j6 |, Y# p
3. pay back to $100 to that vendor whom exchange fake $100 here -$100 www.tvboxnow.com2 U: N/ w7 [4 x9 g( v, b% Q
tvb now,tvbnow,bttvb ^5 V7 G" o5 ?* M- |) V7 x
Therefore, totally, 18+79+100 = 197  |