Year HASCOL KSE 100 OGDCL 40.92% 2016 133.98% 45.68% 2017 2018 -26.81% -39.93% -1.55% -21.37% -15.34% -8.41% 9.90% 7.41% 2019 11.19% -81.87% -45.39% 2020 -27.09% a. What are the betas of HASCOL and OGDCL? b. What are the required rates of return on HASCOL and OGDCL? c. What is the required rate of return on a portfolio consisting of 60% of HASCOL and 40% of OGDCL? d. Calculate the portfolio beta using weights given in part c. Year HASCOL KSE 100 OGDCL 40.92% 2016 133.98% 45.68% 2017 2018 -26.81% -39.93% -1.55% -21.37% -15.34% -8.41% 9.90% 7.41% 2019 11.19% -81.87% -45.39% 2020 -27.09% a. What are the betas of HASCOL and OGDCL? b. What are the required rates of return on HASCOL and OGDCL? c. What is the required rate of return on a portfolio consisting of 60% of HASCOL and 40% of OGDCL? d. Calculate the portfolio beta using weights given in part c