请帮忙翻译一下下面这句话（中－英）

i will post a package about 2 kg in weight to you.if the freight is up to the sender ,it will be about 270 rmb.i just wonder if the freight is up to the receiver, what will it be? a little cheaper?

I would like to send a 2kg package about to you, if I (Sent to) pay the freight, then, probably about 270, may I ask if you (recipient side) pay the freight, it would probably How much does it cost? Will be relatively cheap

I ask the parcel mailing a 2 rough kgs to give you , want 270 yuan or so presumedly if (the foster son pays freight piece method) by me ,ask please if you (collect the words paying freight piece method) , want to how much be presumedly? Is it possible for comparison to let off lightly