[英語から日本語への翻訳依頼] I would like to buy this brand's item about 10 to 20 but could you offer 30% ...

原文 / 英語

このブランドの商品を１０個から２０個くらい欲しいのですが、初回購入特典の３０％割引きはできますか？

翻訳 / 日本語

I would like to buy this brand's item about 10 to 20 but could you offer 30% discount price as a first time purchasing?

翻訳 / 日本語

I would like to purchase between 10 to 20 items of this brand; are you able to offer me a 30% discount as a special offer for a first time buyer?

翻訳 / 日本語

I would like to purchase ten to twenty of the brand items like this. Can I get them at a 30 percent discount as special gift for first release?