Fill in the missing information in the following table. Assume that Portfolio AB is 40 percent invested in Stock A. (A negative value should be indicated by a minus sign. Do not round intermed iate calculations. Enter your answers as a percent rounded to 2 decimal places.) Annual Returns on Stocks A and B Year Stock A Stock B Portfolio AB 21 % 11 % 2012 (38) % 37 % 2013 2014 48% (21) % 2015 16 % 26 % 13 % 24 % 2016 Average return Standard deviation