first, the billing date is 17th, and you spent RMB 3, by credit card on 26th, and the bill will be issued on September 17th, and the final repayment date is 2 days after September 17th, that is, before October 7th

second, if you can't make a one-time repayment before October 7th, you can choose the lowest repayment, but it's not 3 yuan, and you should add interest. The interest is very expensive, and the daily interest is extremely high. From August 26th to October 7th * * * for 42 days, the daily interest will be calculated from 1.5 yuan * * * to 63 yuan, so you should pay back at least 363 yuan.

Third, as mentioned above, after the interest-free period is cancelled, the interest will be calculated from the day of credit card consumption.

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