Suppose you have $200 with which you can buy shares of stock from twocompanies: abc hot chocolate company and xyz lemonade. each company'sstock currently sells for $100 per share. if the temperature next year is lower thanaverage, the stock price for abc will increase by $20, and the stock price for xyzwill not change. if the temperature next year is higher than average, the stock pricefor xyz will increase by $20, and the stock price for abc will not change. there isa 50% chance that it will be colder than average next year, and a 25% chance that itwill be warmer than average. if you purchase two shares of xyz stock and noshares of abc stock, your expected gain will be