197 is the right answer.
$ x9 H9 ~8 |8 B5 V/ v$ k. \# [+ Ytvb now,tvbnow,bttvb
0 f0 C- m4 y, btvb now,tvbnow,bttvbReason,
, r- o ^9 h; e# s& |tvb now,tvbnow,bttvb& g/ Q- w3 e3 w: U5 b8 {: I
1. $18 costs on Item = -$18
8 y% _/ `: S2 ]2. got $100 fake, (no income) , layout $79, = -$79
( I$ e) s% T( x7 y Dtvb now,tvbnow,bttvb3. pay back to $100 to that vendor whom exchange fake $100 here -$100
) ?0 ~3 W/ p9 `TVBNOW 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。% k5 o7 V# N2 {. P9 {4 Z
Therefore, totally, 18+79+100 = 197  |