iii. Withinc on the-axis, draw a graph of the estimated MPC and APC. 5 Marks 4a. Which of the following are consequences of heteroskedasticityBriefly. (i) The OLS estimators,, are inconsistent. (ii) The usuall statistic no longer ha Fadistribution. (iii) The OLS estimators are no longer BLUE. 10 Marks b. Consider a linear model to explain monthly beer consumption: beer= Bo + B1+Byprice+B educ+Bfemale + u E(u /incpriceeduc female = 0 Var(u/incpriceeduc female = 82 inc. Write the transformed equation that has a homoskedastic error term