The following information represents a sample of returns for a company Date Return 11/1/20 [8+1.591% 11/14/20 [-1+1.381% 12/1/20 [0+1.271% 12/14/20 [3+1.211% 12/14/20 [-3.461% 12/14/20 [6.55-31% 12/14/20 [-12.001% 9.59% 0.38% 1.27% 4.21% -3.46% 3.55% -12% 1. a) Compute the arithmetic mean return 2. b) Compute the geometric mean return 3. c) Compute the variance