Installment payment of consumption needs to be handled within 2 days after consumption to the latest bill date. You can choose three installments, six installments, 12 installment, 18 installment and 24 installment (once a month), and the corresponding handling fees are 0.7%, 0.6%, 0.6% and 0.6% respectively. (Monthly handling fee = total installment amount * handling fee rate).

9000 is divided into 24 installments, and the monthly repayment amount is: 9000÷24+9000×0.6%=375+54=429 yuan.