i need help with this three part question!

Suppose that on January 1 you have a balance of 55200 on a credit card whose APR is 14%, which you want to pay off in your. Assume that you make no additionat charges to the card after January 1 a. Calculate your monthly payments b. When the card is paid off, how much will you have paid since January 12 c. What percentage of your total payment from part(b) is interest? a The monthly payment is $0 (Do not round until the final answer Then found to the nearest cent as needed)