For services rendered, an attorney accepts a $90-$day note for $$4,700$ at $7\%$ simple interest from a client. $($Both interest and principal are repaid at the end of $90$ days.$)$ Wishing to use her money sooner, the attorney sells the note to a third party for $$4,740$ after $30$ days. What annual interest rate will the third party receive for the investment? The third party will receive an annual interest rate of $\%.$