Roddy Richards invested $12014.88 in Wolverine Meat Distributors (W.M.D.) five years ago. The investment had yearly arithmetic returns of -9.7%, - 8.1%, 15%, 7.2%, and 15.4%. What is the arithmetic average return of Roddy Richard's investment? (use a percentage number, rounded to the nearest 100th, without % sign. For example, 1.235% 1.24) (this is a two point question) Type your numeric answer and submit