Selling Price and Amount Spent Advertising Were Entered into a Multiple

Selling price and amount spent advertising were entered into a multiple regression to
Determine what affects flat panel LCD TV sales.Use the output shown below, calculate the
Amount of variability in Sales is explained by the estimated multiple regression model.

$\text{Analysis of Variance}$
$\begin{array} { l r r r } \text { Source } & \text { DF } & \text { SS } & \text { MS } \\ \text { Regression } & 2 & 16477.3 & 8238.7 \\ \text { Residual Error } & 27 & 3038.0 & 112.5 \\ \text { Total } & 29 & 19515.4 & \end{array}$

A) $15.57 \%$
B) $6.90 \%$
C) $84.43 \%$
D) $29 \%$
E) None of the above.