197 is the right answer. tvb now,tvbnow,bttvb0 w( \9 @# g4 Z/ w2 X
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Reason, 公仔箱論壇: F+ c* M/ u# u/ R/ T' k
. M: W8 W9 F/ h4 T. v公仔箱論壇1. $18 costs on Item = -$18
' c. `- K7 l: M0 ~2. got $100 fake, (no income) , layout $79, = -$79
" s+ ] u0 f$ V1 O3. pay back to $100 to that vendor whom exchange fake $100 here -$100
2 M' S! {' c8 a" F# \tvb now,tvbnow,bttvb公仔箱論壇# @8 B& ~! L ?( Q
Therefore, totally, 18+79+100 = 197  |