At first they paid $30-) y9 F9 V4 L4 G7 o
and they get return $3- # x9 P! [- P6 x0 K, Mthat mean they just paid $27-公仔箱論壇2 L% V$ v5 A3 K: i% n: J8 Z
the owner take $25- and the servant take $2tvb now,tvbnow,bttvb1 I6 R$ O7 A6 c2 @2 ?
so the sum is totally equal