198 1 what is the interest of the 40,000 yuan student loan per year?
2 16 yuan. The interest-bearing method of student loans is cumulative interest, and the loan interest is charged according to the actual number of days. The calculation formula is interest = accumulated interest × daily interest rate. If the borrower's loan interest rate is 4% and the loan amount is 24,000 yuan, the first-year repayment interest is 24,000 * 81* 4%/360 = 216 yuan.