汉译英求帮忙，谢谢帮助的老师！

我想参加你们的拍卖，但11月份繁忙的工作让我无暇参与，我可以请求提前购买我喜欢的这个项目吗？我愿意为此( 多)支付300美元，如果您愿意卖它，请确认邮费并送我你们的银行账号

I'd love to attend your auction, but I'm tied up in Nov.,
so I'm wondering whether I could get the green light from you to purchase the project I like in advance? In return, I'm willing to pay additional 300 USD for that.
If I'm lucky to have your special offer, please kindly help confirm the delivery charge and give me your bank account as well. Thanks a million up front!

I want to participate in your auction, but I can’t due to my busy work in November. May I ask
for buying this item I like ahead of time? I am willing to pay $300 for this item if you are willing to sell it. Please confirm the postage and send me your bank account.

I would like to attend your bidding fair.
However, I am too busy for work in November to attend it.
May I apply to buy this item, which I like, in advance?
I would like to pay additional 300 dollars for it.
If you want to sell it, please confirm its postage fee and let me know your bank account number.

I want to participate in your auction but couldn't because of busy working schedule on Novermber.
May I request to purchase the item I like in advance?
I would like to pay 300 U.S.for this.
If you like to sell it, would you please confirm the postage and give me your bank account.

项目，才300美元？你这个原文就有问题