Kris Corporation has experienced returns of 9%, 18%, 27% and -15% returns over the past four years. Given this information, calculate the company's geometric average returns. Select one: a. 6.75% b. 14.05% c. 12.15% d. 10.35% e. 8.55%

Calculate the arithmetic return of an investment with five year returns of 10%, -15%, 12%, 8% and -5%. Select one: a. 2.00% b. 5.22% c. 7.44% d. 6.33% e. 3.11%

Answer both questions please!