2. Rate standard: the handling fee for each installment is 0.6% of the installment principal, accurate to decimal places, so the handling fee for each installment = 30,000× 0.6% =180 yuan, and the principal for each installment = 30,000 ÷ 24 =1250 yuan.

3. Calculate the installment principal payable in each installment, with the mantissa rounded to yuan and the installment fee rounded to minutes. The balance after rounding up the principal of each period shall be adjusted in the last period. The installment principal and handling fee shall be included in the minimum repayment amount of the account in the current period.

Please apply for credit card installment repayment after the refund period of the purchased goods expires, because the installment fee will not be refunded once the goods are returned.