73$ bcus shoe = 15$
& z: o! S' z/ ]& D, U2 Atvb now,tvbnow,bttvb the boss paid to customer change = 29$公仔箱論壇: j# i$ _% S. R4 k: k* K
the boss paid back to other ppl = 29$* Z4 e( G2 h+ B, E9 r( R& M
tvb now,tvbnow,bttvb$ k" a2 ?: c, b) Y, |- i
so, 15$ + 29$ + 29$ = 73$ |