197 is the right answer.
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" Z; r6 n) e; P/ _- }tvb now,tvbnow,bttvbReason, 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。3 r. \2 V M: V
" \4 D$ x: ]; E7 Q. hTVBNOW 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。1. $18 costs on Item = -$18
1 X1 d9 P$ F! A) m% M$ Dtvb now,tvbnow,bttvb2. got $100 fake, (no income) , layout $79, = -$796 k5 D4 W; {7 u8 r
3. pay back to $100 to that vendor whom exchange fake $100 here -$100 5.39.217.76* N: D8 S2 W) S- S" y. ?; F# o _
" \; K4 |$ S$ S. L7 s0 l1 R0 ?tvb now,tvbnow,bttvbTherefore, totally, 18+79+100 = 197  |