Your portfolio consists of 125 shares of CSH and 45 shares of EJH, which you just bought at $18 and $32 per share, respectively, a. What fraction of your portfolio is invested in CSH? In EJH? b. If CSH increases to $22 and EJH decreases to $30, what is the return on your portfolio? a. What fraction of your portfolio is invested in CSH? In EJH? The fraction invested in CSH is %. (Round to one decimal place.)