For services rendered, an attorney accepts a 90-day note for $5,200 at 7% simple interest from a client. (Both interest and principal are repaid at the end of 90 days.) Wishing to use her money sooner, the attorney sells the note to a third party for $5,280 after 60 days. What annual interest rate will the third party receive for the investment?

The third party will receive an annual interest rate of

____%.

(Type an integer or decimal rounded to two decimal places as needed.)