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.)

Annual Returns on Stocks A and B
Year	Stock A		Stock B		Portfolio AB
2015	12.0	%	20.0	%		%
2016	33.4	%	-32.6	%		%
2017	-13.8	%	42.6	%		%
2018	24.2	%	17.8	%		%
2019	16.6	%	29.4	%		%
Average return		%		%		%
Standard deviation		%		%		%