Zoe Robinson has several credit cards, on which she is carrying a total current balance of $15,500. Her current cards charge her 12% per year. She is considering transferring this balance to a new card issued by a local bank. The bank advertises that, for a 4 percent fee, she can transfer her balance to a card that charges a 0 percent interest rate on transferred balances for the first 9 months.
Calculate the fee that Zoe would pay to transfer the balance.