197 is the right answer. " ~( o2 o L9 D( `# |' R
tvb now,tvbnow,bttvb2 }5 ^/ H7 l# E4 N
Reason, & U; O- P5 q+ h. @! {
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1. $18 costs on Item = -$18
0 V1 C$ a8 J6 P, A! X2. got $100 fake, (no income) , layout $79, = -$79$ Y% t! P' v+ d
3. pay back to $100 to that vendor whom exchange fake $100 here -$100
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& D$ q8 `8 U& y; a公仔箱論壇Therefore, totally, 18+79+100 = 197  |