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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 Portfolio AB Annual Returns on Stocks A and B Stock A Stock B 14.0 % 24.0 % 35.8 % -36.2% 2015 % 2016 % 2017 -18.6 % 46.2 % % 2018 25.4 % 16.6 % % 2019 14.2 % 25.8 % % % % % Average return Standard deviation % % %