Selling Price and Percent of Advertising Budget Spent Were Entered

Selling price and percent of advertising budget spent were entered into a multiple regression to determine what affects flat panel LCD TV sales.Using the output below, estimate the
Number of units sold on average at a store that sells the Sony Bravia for $2199 and spends
10% of its advertising budget on the product. Response Variable is Sales
$\begin{array} { l r r r r } \text { Predictor } & \text { Coef } & \text { SE Coef } & \text { T } & \text { P } \\ \text { Constant } & 90.19 & 25.08 & 3.60 & 0.001 \\ \text { Price } & - 0.03055 & 0.01005 & - 3.04 & 0.005 \\ \text { Advertising } & 3.0926 & 0.3680 & 8.40 & 0.000 \end{array}$
$$S = 10.6075 \quad R - S q = 84.4 \frac { q } { 8 } \quad R - S q ( a d j ) = 83.3 \text { 궁 }$$

A) $53.94$ units
B) 120 units
C) $66.54$ units
D) $90.34$ units
E) None of the above.