Everrest Inc.'s stock has a 39% chance of producing a 18.50% return, a 21% chance of producing a 22.75% return, and a 40% chance of producing a 4.25% return. What is the firm's expected rate of return? Round your answer to two decimal places. For example, if your answer is $345.6671 round as 345.67 and if your answer is .05718 or 5.7182% round as 5.72. 10.81% 10.40% 11.53% 8.44% 10.29%