For Bank of Communications credit card, the withdrawal fee is 1% of the transaction amount, with a minimum of 10 yuan and a daily interest rate of five ten thousandths.

Withdrawal 1700, handling fee 17 yuan, and interest of 0.85 yuan/day, totaling 25.5 yuan for 30 days. After one month, the total principal and interest payment =1700+17+25.5 =1742.5 yuan.

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