Sarah Smith,a Sole Proprietor,has the Following Projected Figures for Next

Sarah Smith,a sole proprietor,has the following projected figures for next year: $\begin{array}{lr}\text { Selling price per unit } & \$ 150.00 \\\text { Contribution margin per unit } & \$ 45.00 \\\text { Total fixed costs } & \$ 630,000\end{array}$ What is the contribution margin ratio?

A) 0.300
B) 0.429
C) 1.429
D) 3.333