Fill in the missing information in the following table. Assume that Portfolio AB is 60 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.) Year 2015 2016 Answer is not complete. Annual Returns on Stocks A and B Stock A Stock B 16.0 % 24.0 % 35.0 % -35.0 % -17.0 % 45.0 % 25.0 % 17.0 % 15.0 27.0 % 14.80 % 15.60 % % 26.93 X % 2017 Portfolio AB 19.20 % 7.00 % % 21.80 % 19.80 % 15.12 % 7.80 >> 2018 2019 Average return Standard deviation %