Final answer:
The nominal interest rate compounded monthly for a credit card with a monthly interest rate of 1.85% is 22.2%, which is calculated by multiplying the monthly rate by the number of months in a year (1.85% x 12).
Step-by-step explanation:
To calculate the nominal interest rate compounded monthly for a credit card that charges an interest rate of 1.85% per month, you would multiply the monthly rate by the number of months in a year. The calculation is straightforward:
- Monthly interest rate: 1.85%
- Number of months in a year: 12
- Nominal annual interest rate: 1.85% × 12 = 22.2%
Picking from the options provided, the correct nominal interest rate compounded monthly for this credit card is
22.2%, which corresponds to option b.