197 is the right answer.
' L) h0 M& [; j) |2 @1 Dtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb \9 i. \ t8 w8 p2 z7 D* i
Reason, tvb now,tvbnow,bttvb1 M& c3 N" ^' Z
tvb now,tvbnow,bttvb [1 T) W/ b2 @8 y' t: g
1. $18 costs on Item = -$18/ p) V i; ^; K1 r. b/ g
2. got $100 fake, (no income) , layout $79, = -$79
" I0 z p( G% I6 Etvb now,tvbnow,bttvb3. pay back to $100 to that vendor whom exchange fake $100 here -$100 TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。7 H# r& z. h$ ]' y8 G" }+ I
* w" J9 k( Z/ r8 ITVBNOW 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。Therefore, totally, 18+79+100 = 197  |