The annual interest on this amount is about 2,500 yuan.

The calculation formula for bank loan interest is: interest = principal interest rate. The loan period. The annual interest rate of bank loans is about 5%. Then the interest for a loan of 50,000 per year is 50,000 times 5% = 2,250 yuan. .

The interest on an Agricultural Bank of China loan of 50,000 yuan per year is 2,425 yuan. According to the latest loan interest rate, the one-year loan interest rate is 85%. The one-year interest on a 50,000 loan is equal to 50,000 multiplied by the percentage of this interest rate. According to the calculation, 4.85% of 50,000 is equal to 2,425 yuan.