关于EMs的算法

IF I Can please, tell me price for  package with samples cards include :  four 128MB and two 512 MB
5 g: d3 t, \# G4 Z0 wPrice include ships to Poland via EMS.I would like to pay by western union.is it possible?! S5 Y' J) u* \. w( O
EMS费用如何算？Wg. 1.5g/pc  4+2=6 *1.5 =  9g/ M" I' m4 R+ X
如何算？
: R' ]  d7 g: o3 t共9克重的样品,只要交首重的费用就好了?哇！要预付？样品我不想出路费的！EMS只能预付？有想对方付款,我想知道EMS是国内的Ems吧？如果让对方付款，我这边可以怎么办才行？