Exhibit 2-1 -Refer to the Exhibit

Multiple Choice

Exhibit 2-1
$$\begin{array} { l r r } & \text { Hans } & \text { Maria } \\\hline \text { Loads of laundry per hour } & 4 & 12 \\\text { Pages typed per hour } & 6 & 8\end{array}$$
-Refer to the exhibit.What is Maria's opportunity cost of doing a load of laundry?  

A)  6 typed pages 
B)  4 typed pages 
C)  1 1/2 typed pages 
D)  2/3 of a typed page