Exhibit 15-4 Coffee and Tea Output (Pounds Per Hour) -As Shown in Exhibit 15-4, the Opportunity Cost to Brazil

Exhibit 15-4 Coffee and tea output (pounds per hour) $$\begin{array} { | l | c | c | } \hline \text { Country } & \text { Coffee } & \text { T ea } \\\hline \text { Brazil } & 10 & 5 \\\text { China } & 8 & 8 \\\hline\end{array}$$
-As shown in Exhibit 15-4, the opportunity cost to Brazil of producing one pound of coffee is:

A) 1 pound of tea.
B) 5 pounds of tea.
C) 1/2 pound of tea.
D) 10 pounds of tea.