Wildhorse Corp had sales of $386,000 in 2017 . If management expects its sales to be $476,450 in 3 years, what is the annual rate at which the company's sales are expected to grow? (Round intermediate calculations to 4 decimal places, e.g. 2.5125 and final answer to 2 decimal places, e.g. 2,515.25.) Annual growth rate %