Fees and interest.

1. Handling fee: Bank of Communications credit card cash withdrawal handling fee is 1% of the cash withdrawal amount, with a minimum of 5 yuan per transaction. Therefore, the handling fee for withdrawing 500 yuan is 5 yuan, and the handling fee for withdrawing 1,000 yuan is 10 yuan.

2. Interest: The interest on Bank of Communications credit card cash withdrawals is calculated based on the daily interest rate of 0.05%. The interest calculation method for cash withdrawals of 500 yuan and 1,000 yuan is the same. The daily interest is 500.05 yuan and 1,000.05 yuan respectively. The interest starts from the date of cash withdrawal. The interest will be calculated from the beginning and stop accruing interest after the repayment is received.