Given annual returns of 6%, -4% -12% and 20%, what is the arithmetic average? 9.31% 8.50% 10.84% 2.50%

Given annual retums of 60/0: -4%, -12% and 20%: what is the arithmetic average? 0 9.31% 0 8.50% C) 10.84% 0 2.50%