197 is the right answer.
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, y7 ~+ g1 O1 ^/ k% W4 l# D7 R公仔箱論壇Reason,
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1. $18 costs on Item = -$18公仔箱論壇% F' a: @( M2 w [. E0 w
2. got $100 fake, (no income) , layout $79, = -$79* T) U9 j; a6 C: z: k
3. pay back to $100 to that vendor whom exchange fake $100 here -$100
! j3 u" k5 y* w公仔箱論壇
8 x0 H+ F8 {2 h. V7 kTherefore, totally, 18+79+100 = 197  |