Your portfolio consists of 105 shares of CSH and 25 shares of EJH, which you just bought at $21 and $32 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 $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.) The fraction invested in EJH is % (Round to one decimal place.) b. If CSH increases to $23 and EJH decreases to $28, what is the return on your portfolio? The return on the portfolio is (%. (Round to one decimal place.)