[Translation from Japanese to English ] Thank you kindly. I'd like get $15 discount. It would be greatly appreciated...

Original text

親切にありがとうございます。15ドル割引でお願いします。paypalで入金した金額の中から差額を返金していただければ有難いです。 よろしくお願いいたします。

Translation / English

Thank you kindly. I'd like get $15 discount. It would be greatly appreciated if you could refund me the difference from the amount I paid by paypal. Thank you.

Translation / English

Thank you so much for your kindness. Please kindly discount 15 dlollars. It would be appreciated if you could refund after the deduction from the amount which was paid through paypal. Thank you for your cooperation in advance.