A credit card has a 21.99% APR, a minimum monthly payment of 3.15%, and a current monthly statement balance of $3, XXXXXXXXXXIf there are $791.25 in purchases and a payment of $210.00 in the next...

A credit card has a 21.99% APR, a minimum monthly payment of 3.15%, and a current monthly statement balance of $3,651.21. If there are $791.25 in purchases and a payment of $210.00 in the next month, what will be the next minimum monthly payment? Pls explain step by step.