The expected return and standard deviation of a portfolio that is 70 percent invested in 3 Doors, Inc., and 30 percent invested in Down Co. are the following:

		3 Doors, Inc.			Down Co.
Expected return, E(R)		17	%		11	%
Standard deviation, ?		50			39

What is the standard deviation if the correlation is +1? 0? ?1? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places. Omit the "%" sign in your response.)

Correlation +1	%
Correlation 0	%
Correlation ?1	%