1, 3-year mortgage loan, the principal is repaid in 3 years, the benchmark interest rate is 5.4% per year, and the interest is paid in 3 years 150000×5.4%×3=24300 yuan.

2.3-year mortgage loan can enjoy a 15% discount (benchmark interest rate is 5.4%×85% within one year), and the principal and interest are repaid in the same way. The monthly payment is 4,488.9 yuan, and the total repayment interest for three years is 1 1600.5 1 yuan.

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