Please answer all 4 questions!

You buy 90 shares of Tidepool Co. for $38 each and 185 shares of Madfish, Inc., for $14 each. What are the weights in your portfolio? The weight of Tidepool Co. stock in the portfolio is %. (Round to one decimal place.) The expected return on the portfolio is %. (Rounded to two decimal places.) The following spreadsheet contains monthly returns for Cola Co. and Gas Co. for 2013. Using these data, estimate the average monthly return and the volatility for each stock. (Click on the following icon in order to copy its contents into a spreadsheet.) The average monthly return for Cola Co. is 6. (Round to two decimal places.) Standard deviation of the portfolio with stock A is \%. (Round to two decimal places.)