197 is the right answer.
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公仔箱論壇5 D7 e3 u/ Q: r& ~
1. $18 costs on Item = -$18
' Y. x- U/ d6 r% N2. got $100 fake, (no income) , layout $79, = -$79
" z7 Z) u* b0 {& O3. pay back to $100 to that vendor whom exchange fake $100 here -$100 : ]5 U4 g; r/ F& u2 @! W3 T ?. r$ ?
& T9 H: V! ~8 Z# ~2 g+ m9 v5.39.217.76Therefore, totally, 18+79+100 = 197  |