197 is the right answer.
% W' p8 p6 A+ x2 e- ?5.39.217.77:8898
8 N e7 I) Y* J& [" Rtvb now,tvbnow,bttvbReason, 5.39.217.77:8898# a7 _# U6 ?- ^+ v/ a3 O$ {% `
3 e1 r! z5 H9 V7 |# v6 J公仔箱論壇1. $18 costs on Item = -$18/ W; b, L. ~. G* p* j) e' h
2. got $100 fake, (no income) , layout $79, = -$797 w& z1 n& ^9 X# f. J: u( F" D4 Z
3. pay back to $100 to that vendor whom exchange fake $100 here -$100
" v% X* p0 Q! G5 f9 u- K! s5.39.217.77:8898+ {$ E% u% H- F$ T# X6 F( P
Therefore, totally, 18+79+100 = 197  |