Calculated by paying off the loan of 654.38+10,000 yuan in half a year, the monthly principal and interest payable is 16939.94 yuan, and the accumulated interest is 1639.67 yuan.
If the benchmark interest rate of bank loans rises by 20% and the loan interest rate is adjusted to 6.72%, the customer needs to repay the principal and interest 16994.85 yuan per month, and the accumulated interest is 1969. 12 yuan.
By comparison, the monthly repayment increased by 54.9 1 yuan, and the accumulated interest was 329.45 yuan.