Mrs. Ritika wants to invest in a portfolio which is comprising of two securities, Security X and Security Y. Information regarding the same is given below: Particulars Security X (%) Security Y (%) Expected Return 15 20 Standard Deviation 3 5 Coefficient of Correlation= 0.8 Find out the expected return and risk of the following portfolios consisting of these securities: i. 50% of each security of X and Y ii. 30% of X and 70% of Y iii. 70% of X and 30% of Y iv. 25% of X and 75% of Y Also suggest the best optimal portfolio for Mrs. Ritika considering risk and return