73$ bcus shoe = 15$ ; w7 v5 J: z9 k; Y5 _+ l the boss paid to customer change = 29$TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。# C$ ]5 I) x8 r' t" [
the boss paid back to other ppl = 29$% [3 c& u- c, m+ s0 t' |, m; f
6 \. R+ C& O' u8 o; O( w8 |$ l
so, 15$ + 29$ + 29$ = 73$