This clause is formulated for interest rate rather than interest; How much money you still have has nothing to do with your subsequent interest; Your previous interest was, for example, A, and then you have to pay back the interest of 1.5a;

There is no interest rate in your question, so you can't answer how much you want to pay back;

This clause does not apply to your "failure to repay the loan within the time limit agreed in the contract"; Repaying the loan on time refers to repaying the principal; The so-called "adding 50% to the loan interest rate" means 0.5 times of 65438+6.67‰, you understand correctly; But you're not there yet Penalty interest generally refers to the penalty interest. The daily interest rate of your loan (set as a) multiplied by 1.5 is the interest rate that you failed to repay in time (that is, 100 yuan), and the formula is 100* 1.5A* days-the month you provided.

August 1- 165438+ October 1 is 92 days.

Penalty interest:100 * 3.33495/10000 * 92 = 3.07.

September 1-165438+1October1equals 6 1, and the penalty interest is 2.03.

65438+1 October1-165438+1October1is 3 1 day, and the penalty interest is 1.03 If your loan interest rate is 6.66,

You have to pay back 1 65438+1October1,totaling 406+38+03.