-According to the Information in Figure 2-11,Jill's Opportunity Cost of

$$\begin{array} { | c c c } \hline & \text { Fiejura 2-11 } \\\hline \text { Jails Fetched } & \text { Jack } & \text { Jill } \\\text { Per Hau } & & \\\text { Boards Sawed } & 20 & 4 \\\text { Per Hau } & 10 & 8 \\\hline\end{array}$$
-According to the information in Figure 2-11,Jill's opportunity cost of sawing a board is

A) 5 pails of water
B) 1/2 of a pail of water
C) 4 pails of water
D) 2 pails of water
E) 8 pails of water