197 is the right answer.
, r' U/ t; q. l5 S/ f% ktvb now,tvbnow,bttvbTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。7 ~8 Y+ p! v4 [
Reason, - J! b! o9 K% e* O' ]0 [6 L' C2 }
0 y2 X: o/ v/ M: r, I1. $18 costs on Item = -$18公仔箱論壇/ i- ~0 |8 E) I+ {
2. got $100 fake, (no income) , layout $79, = -$79
/ r- k [3 B* Y. N3. pay back to $100 to that vendor whom exchange fake $100 here -$100 tvb now,tvbnow,bttvb# p1 m5 ^8 v1 {) o
8 X, ?/ f' A3 E( w0 OTherefore, totally, 18+79+100 = 197  |