197 is the right answer. 公仔箱論壇9 [* J, v3 `3 U: ~
4 }9 B" Z* X5 w9 ]5.39.217.77Reason,
& n5 [6 g6 f# Ttvb now,tvbnow,bttvb
4 I# L H# Z- O; ^' Otvb now,tvbnow,bttvb1. $18 costs on Item = -$18
* A) E" _6 v' }! H' i2. got $100 fake, (no income) , layout $79, = -$79# n$ l" g0 J0 ^ g6 t2 g
3. pay back to $100 to that vendor whom exchange fake $100 here -$100
/ t0 }" u$ z* ^4 H) m' W3 H公仔箱論壇
$ d: q5 h d. u6 C公仔箱論壇Therefore, totally, 18+79+100 = 197  |