Your portfolio consists of 175 shares of CSH and 150 shares of EJH, which you just bought at $20 and $35 per share, respectively. a. What fraction of your portfolio is invested in CSH? In EJH? b. If CSH increases to $23 and EJH decreases to $34, what is the return on your portfolio? a. The fraction of the portfolio invested in CSH is % and the fraction of the portfolio invested in EJH is %. (Round to one decimal place.)