Please help me answer the following question both parts a and b with clear answers. Thank you

Question 4

Your portfolio consists of 175 shares of CSH and 150 shares of EJH, which you just bought at $30 and $25 per share, respectively. a. What fraction of your portfolio is invested in CSH? In EJH? b. If CSH increases to $35 and EJH decreases to $23, what is the return on your portfolio? % a. The fraction of the portfolio invested in CSH is 1% and the fraction of the portfolio invested in EJH is | (Round to one decimal place.)