Cynthia's credit card has a limit of $1,000 with an introductory rate of 0%, a late fee of $35, and currently a balance of $0. The card also has an annual fee of $45 which is applied every year in August. Cynthia makes a $75 purchase that shows up on her August bill and she pays $45 before the due date. What will be the balance on Cynthia's credit card?
$45
$65
$35
$75