197 is the right answer. tvb now,tvbnow,bttvb) t7 ~- a7 p* V4 }$ O
" G$ z% ` S3 e7 Y* MReason,
9 W9 j* a1 T' vtvb now,tvbnow,bttvb. V" A6 w% L3 Y
1. $18 costs on Item = -$18
' F( r, \* U d+ J4 @3 u* s; I8 `2. got $100 fake, (no income) , layout $79, = -$79
" \5 a8 ^ }+ D# ^* E/ }公仔箱論壇3. pay back to $100 to that vendor whom exchange fake $100 here -$100 # Z" ]' A; i. {* d2 k. p' y4 Y3 X+ L
. h/ h7 ?8 x! j! y/ X1 dTherefore, totally, 18+79+100 = 197  |