Fill in the missing information in the following table. Assume that Portfolio AB is 70 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.) Portfolio AB % 9 Annual Returns on Stocks A and B Stock A Stock B 15.5 % 23.5% 34.8% -3475 - 16.6% 44.7% 24.9% 17.1% 15.2 % 273/% 96 %6 % 9 Year 2015 2016 2017 2018 2019 Average return Standard deviation % 96 % 96 %