Greg's Breads Can Produce and Sell Only One of the Following

Greg's Breads can produce and sell only one of the following two products: $\begin{array}{lll}&\text { Oven } & \text { Contribution } \\&\text { Hours Required } & \text { Margin Per Unit }\\\text { Muffins } & 0.2 & \$ 3 \\\text { Coffee Cakes } & 0.3 & \$ 4\end{array}$ The company has oven capacity of 1,500 hours. How much will contribution margin be if it produces only the most profitable product?

A) $15,000
B) $20,000
C) $22,500
D) $30,000