52 weeks a year
Weekly interest repayment: (1098-1000)/52 =1.885 (ten million)
Weekly interest rate:1.884/1000 *100% = 0.1885%.
3 years * * * weeks: 52*3= 156 weeks.
Interest after 3 years
1000 * (1+0.1885%)156th power)
Plus the principal, it is the money that * * * needs to pay back.
Update 1: Sorry, I mean, how many grades are there in personal credit rating? The rating level seems to have changed a little recently, but thanks to Lao Zi Li