How much is the fee for BitPay?

I'm curious to know, could you please elaborate on the fee structure for BitPay transactions? Specifically, what kind of fees does BitPay charge for both merchants and customers, and are there any hidden costs or fees that we should be aware of? Additionally, does the fee vary depending on the transaction amount or any other factors? Understanding the full cost of using BitPay is essential for us to make an informed decision about whether it's the right payment solution for our business. Thank you for your clarification.