1. Matching principal and interest repayment method:

The total loan is 65,438+0,300,000.00 yuan.

Repayment months: 360 months

The monthly repayment is 77 10.77 yuan.

Total interest paid 1, 475,878.85 yuan.

The total principal and interest is 2775878.85 yuan.

2. Repayment method of equal principal:

The total loan is 65,438+0,300,000.00 yuan.

Repayment months: 360 months

The repayment in the first month is 65,438+00,002.78 yuan.

Decreasing monthly: 17.75 yuan.

Total interest paid 1,153,695.83 yuan.

The total principal and interest is 2453695.83 yuan.