first, I need to know the annual interest rate of the credit card. Suppose the annual interest rate of credit card is 2%.
1. Calculate the monthly interest rate:
The formula for calculating the monthly interest rate according to the annual interest rate is: monthly interest rate = annual interest rate/12.
so, the monthly interest rate = 2%/12 = 1.67%.
2. Calculate interest:
Interest = amount owed × monthly interest rate.
so, interest = 9 yuan × 1.67% = 15.3 yuan.
III. Summary:
According to the information provided, in one month's interest calculation, the credit card debt is 9, yuan, and the interest rate is 2%. Therefore, the interest for this month is 15.3 yuan.
IV.
Extended information:
The interest calculation of credit cards is determined according to the amount owed and the interest rate. The interest rate is determined according to the policy of the credit card issuing bank and the credit rating of the customer. Usually, the interest rate of credit card is annual interest rate, which needs to be converted into monthly interest rate for calculation. The calculation of interest is very important for credit card users. Understanding the calculation method of interest can help users manage their credit cards better and avoid the burden caused by high interest.
The above is the answer to the detailed explanation of the calculation result of the monthly interest of 9 yuan owed by the credit card according to the information provided. I hope it helps you.