Question 2: A loan of 1500 million with the following conditions: The loan is fully disbursed on 1/10/N. Debt repayment plan: on December 10th , customer pays 700 million, on January 31st of the following year, customer pays 300 million, the remaining balance is paid on February 25th. Interest rate: 12% per annum Interest paid with principal calculated based on the actual outstanding balance. At the repayment period before the last, due to financial difficulties, the customer could not pay the debt and the debt was transferred to bad debt group. The remaining principal and interest payable were paid at the last repayment frequency.

=> Calculate the customer's debt repayment obligation in the last repayment frequency. The overdue interest rate: 150% of the current interest rate. Penalty on interest for late payment 9%/year.