Table 3-2 -Refer to Table 3-2

Table 3-2
$\begin{array}{|c|c|c|c|c|}\hline&\text { Labour hours needed to produce one unit of: }&&\text { Amount produced in } 60 \text { hours: }\\\hline & \text { Butter (kg) } & \text { Butter (kg } & \text { Rice (kg) } & \text { Rice (kg) } \\\hline \text { Lee } & 6 & 10 & 15 & 4 \\\hline \text { John } & 3 & 20 & 15 & 4\\\hline\end{array}$
-Refer to Table 3-2.The opportunity cost of 1 kg of butter for Lee is:

A) 3/2 kg of rice
B) 4/3 kg of rice
C) 3/4 kg of rice
D) 2/3 kg of rice