Fill in the missing information in the following table. Assume that Portfolio AB is 50 percent invested in Stock A. (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) 10 points Annual Returns on Stocks A and B Stock A Stock B Year Portfolio AB eBook 2015 13.5 % 23.5 % % 2016 36.0 % -36.5 % Print % 2017 -19.0 % % References 46.5 % 16.5 % 2018 25.5 % 2019 14.0 % 25.5 % % % % % Average return Standard deviation % %