73$ bcus shoe = 15$1 r. \: d' G% H) h, q7 d) `5 N z
the boss paid to customer change = 29$5.39.217.774 b, t. O* | Z3 f2 y
the boss paid back to other ppl = 29$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。' d/ d1 K9 p( a2 m
" V$ f0 s0 M; q
so, 15$ + 29$ + 29$ = 73$