33. When the economist used a simple linear regression model with consu umption as the dependdent variable and GDP as the independent variable, be obtained an R2 value of 0.971. What additional percentage of the total variation of consumption has been explained by including gaggregate prices in the rultiple regression?
(A)98.2
(B)11.1
(C)2.8
(D)1.1
(E) None of the above.