A Survey of Automobiles Parked in Student and Staff Lots

A survey of automobiles parked in student and staff lots at a large university classified the brands by region of origin,as seen in the table. $\begin{array}{|l|cc|}&\text { Driver }\\\hline \text {origin }& \text { Student } & \text { Staff } \\\hline \text { North American } & 90 & 86 \\\text { European } & 31 & 15 \\\text { Asian } & 60 & 52 \\\hline\end{array}$ What percent of the North American cars were owned by staff?

A) 48.9%
B) 51.1%
C) 56.2%
D) 25.7%
E) 128.4%