a. If you were going to build an APT style model with a market factor and an extreme weather factor using this data, what value would these two factors currently take? b. What are two ways you could estimate a company's betas under this model? What information would you need to make each of these estimates? c. Using this model, what is your estimate of the cost of equity for a firm with a market beta of 1.4 and a weather beta of 0.6