*** Please solve in Excel ***

1. You have the statistics for stocks ABC, QPD, and XYZ as follows.

RETURN STATISTICS FOR 3 STOCKS
	ABC	QPD	XYZ
Average return	22.00%	17.50%	30.00%
Variance	0.2	0.05	0.17
Standard deviation	44.72%	22.36%	41.23%
Correlations
Corr(ABC,QPD)	0.05
Corr(ABC,XYZ)	-0.1
Corr(QPD,XYZ)	0.5
Cov(ABC,QPD)	0.0050
Cov(ABC,XYZ)	-0.0034
Cov(QPD,XYZ)	0.0461

a. Find the average return and standard deviation of a portfolio composed 50% of stock ABC, 20% of QPD, and 30% of stock XYZ.

b. What is the standard deviation of the minimum variance portfolio consisting of the three stocks?

c. Find the portfolio having maximum return given that the portfolio standard deviation is 30%

* Please solve in Excel *