Suppose you invest 30% of your money in Security A and the rest in Security B

	Security A	Security B
Expected return	15%	10%
Standard Deviation	0.25	0.17
Beta	1.3	1.1
Correlation coefficient between A and B	0.5

a) What is the expected return of the portfolio?

b) What is the portfolio beta?

c) What is the portfolio variance? Compare it with A and B variances. Is the portfolio variance larger or smaller than either A or B variances and why?

d) What percentage of your portfolio variance comes from the interaction component of total risk?

PLEASE PROVIDE COMPLETE BREAKDONW AND EXPLAIN STEP BY STEP