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 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	13.0	%	23.0	%		%
2016	36.2	%	-36.8	%		%
2017	-19.4	%	46.8	%		%
2018	25.6	%	16.4	%		%
2019	13.8	%	25.2	%		%
Average return		%		%		%
Standard deviation		%		%		%