Your portfolio consists of 105 shares of CSH and 40 shares of EJH, which you just bought at $20 and $31 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 $27, 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. CSH increases to $22 and EJH decreases to $27, what is the return on your portfolio? The return on the portfolio is %. (Round to one decimal place.)