Example 3 Inns oont alafrA Following Example 2, consider a porfolio with three assets S1, S2 and S3 which have expected rates of return 0.1,0.15 and 0.2 respectively, and variance-covariance matrix...

Extracted text: Example 3 Inns oont alafrA Following Example 2, consider a porfolio with three assets S1, S2 and S3 which have expected rates of return 0.1,0.15 and 0.2 respectively, and variance-covariance matrix odni tanoma bszt a aitevi ot botoly 0.1 0.1 -0.1 0.1 0.2 0.1 ololles V = -0.1 0.1 0.6 vo ) isaas sod slais a at gaiteoo ottg ndi oda vodT (aldanoitesup als ot-lais wod ibuadala abnod on a) What is the optimal portfolio when up = worod of sidad = 0.2. adt yhalinie ini ba moe ja SOLUTION lo ano ot b) Use this piece of information and the earlier optimal portfolios from la aao e. Example 2 to find the quadratic equation relating of and up. ni bstni sd SOLUTION tar oad o bo s e) Hence draw a plot of the solutions, and identify the frontier port- Ldon to slar folios. it SOLUTION ods Btvni gatela dt