73$ bcus shoe = 15$
' I; A G! Y! l2 l9 \0 P# t公仔箱論壇 the boss paid to customer change = 29$tvb now,tvbnow,bttvb3 j0 J8 i9 }' p2 u5 n$ e0 x
the boss paid back to other ppl = 29$
$ K! p8 S9 H, i4 |% I4 \5 \tvb now,tvbnow,bttvb
& _5 G! G! i+ v* `+ Z+ F- dso, 15$ + 29$ + 29$ = 73$ |