1. (2+2+4) Suppose Josh gets a $7500 gift from his family on graduation \& wants to buy securities with this. He talks to his broker who informs him that the initial (minimum) margin requirement to be 25% He, however, decides to use his entire gift to buy only 150 shares in HSBC at an initial price of $100 each. (a) What is the initial percentage Margin on Josh's account? (b) If R is Josh's portfolio return, and R=A.R HSBC, where RHSBC is HSBC's return, what is A ? (c) If HSBC's beta is 0.975, what is the beta of Josh's portfolio