Your portfolio consists of 85 shares of CSH and 70 shares of EJH, which you just bought at $21 and $30 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 $28, 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.)