interest

= principal * monthly interest rate * number of months

= 14000*3.8‰*6

=3 19.2 yuan

(2) Annual loan interest rate = monthly interest rate *12 = 3.8 ‰ *12 = 4.56%.

The loan amount is 6,543,800 yuan+0.4 million yuan.

The loan period is June.

The total repayment amount is 14 186.79 yuan.

The total interest is 186.79 yuan.

The monthly repayment is 2364.46 yuan.