“我会按今天的汇率兑换给你”这句用英文怎么说？谢谢

我会按今天的汇率兑换给你
I will give you according to today's exchange rate exchange

I will exchange the money in the current rate to you.

I gonna pay you the amount,which depends on today's exchange rate.

我会按今天的汇率兑换给你
I will give you according to today's exchange rate exchange
肯定是这个答案。因为我问了我们学校的英语教授哟！

I will exchange the money for you as of today's rate.