The following are the returns of share Hangseng Ltd for the last four years: Year Share price ($) Dividend per share ($) 2017 100 2.5 2018 105 2.5 2019 115 2.5 2020 107 3 Mr Halder wishes to build a portfolio by investing 35% in Hangseng Ltd and 65% in Haldyn Ltd. The expected return and standard deviation of Haldyn Ltd are 15% and 6% respectively. The covariance between Hangseng Ltd and Haldyn Ltd is -10. Calculate the expected return and standard deviation of Mr Halders portfolio.