Kitchen Appliances Company Manufactures Two Products: Toaster Ovens and Bread

Kitchen Appliances Company manufactures two products: toaster ovens and bread machines.The following data are available: $$\begin{array} { | l | r | r | } \hline & \text { Toaster Ovens } & \text { Bread Machines } \\\hline \text { Sales price } & \$ 100 & \$ 200 \\\hline \text { Variable costs } & \$ 30 & \$ 150 \\\hline\end{array}$$ The company can manufacture three toaster ovens per machine hour and two bread machines per machine hour.The company's production capacity is 1,200 machine hours per month.
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What is the contribution margin per machine hour for bread machines?

A) $700
B) $100
C) $150
D) $50