The loan amount is 47 * 0.7 = 329,000 yuan, and the loan amount is 65,438+2005. The annual loan interest rate will increase by 5%, or 7.4025%. Repay the principal and interest monthly according to the equal principal and interest repayment method of 30,365,438+0.67 yuan, and the total accumulated interest is 265,438+06,700.93 yuan, and the accumulated principal and interest is 545,700.93 yuan.

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