The Table below presents the excess return on Fund A and the excess return on market index. Year Excess return Excess Return on on Fund A Market index 17.8 13.7 39 23.7 12 8 6.9 24 2 168 17.2 12.3 a. Construct a relationship between them. b. Estimate the model. c. Comment on why the estimated simple linear regression model can be considered game as the equation of a straight line