197 is the right answer.
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! n( F# e& i/ Y+ `# u* |公仔箱論壇1. $18 costs on Item = -$18& x4 V3 {& ?5 Q( f5 ]
2. got $100 fake, (no income) , layout $79, = -$79
7 X# M9 S$ K, R3 D- L# Z6 F( f( gtvb now,tvbnow,bttvb3. pay back to $100 to that vendor whom exchange fake $100 here -$100 5.39.217.76& G2 @5 Y. j7 L
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Therefore, totally, 18+79+100 = 197  |