The monthly repayment amount of a bank loan of 300,000 yuan depends on the repayment method and interest rate. The following is the general situation under different repayment methods:

1, repayment method of equal principal and interest. Under this repayment method, the monthly repayment amount is fixed, which is about 2 183.33 yuan in the first month, and then decreases by about 3.75 yuan every month. Total interest paid is about 273 185 yuan.

2. Average capital repayment method. The repayment amount in the first month is relatively high, about 2 183.33 yuan, and then it decreases by about 3.75 yuan every month. The total interest paid is about 243,675 yuan.

3. In addition, the specific repayment amount will also be affected by the loan interest rate. For example, if the annual interest rate of preferential loans is 3.8%, the monthly repayment amount under the equal principal and interest repayment method is about 2263 yuan, and the total interest paid is about 163 10000 yuan.