197 is the right answer.
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Reason, / x; d. N; ]/ g- I5 y
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1. $18 costs on Item = -$18% `2 ~, `$ Y; e4 }: {# O" M
2. got $100 fake, (no income) , layout $79, = -$79
) [" C7 }; c* A, J/ YTVBNOW 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. 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。/ q2 W9 `4 p# Q7 U. X
5 |( c) Z4 K, m+ E( FTherefore, totally, 18+79+100 = 197  |