a. What is the aritheretic average retum over the 10-year period? b. What is the goometrie nverage retum over the 10 -year period? c. If you invented $100 at the beginning, how much would you harve at the end? a. What is the arithmetic average retum over the 10-year period? The arithmetic average retum over the 10-year period is W. (Round to two decimal places-)