Lakeside Has Gathered the Following Data in Order to Calculate

Multiple Choice

Lakeside has gathered the following data in order to calculate the weighted-average contribution margin: $\begin{array}{lrrr} & \text { Unit Sales Price } & \text { Unit Variable Costs } & \text { Unit Sales } \\\text { Product A } & \$ 150 & \$ 100 & 8,000 \\\text { Product B } & 100 & 60 & 2,000\end{array}$ The weighted-average contribution margin is

A) $42.
B) $45.
C) $48.
D) $90.