-The Table Above Lists Six Points on the Production Possibilities

Multiple Choice

$$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Cheese } \\\text { (tons) }\end{array} & \begin{array} { c } \text { DVDs } \\\text { (thousands) }\end{array} \\\hline 0 & 60 \\\hline 2 & 56 \\\hline 4 & 48 \\\hline 6 & 36 \\\hline 8 & 20 \\\hline 10 & 0 \\\hline\end{array}$$
-The table above lists six points on the production possibilities frontier for cheese and DVDs.What is the opportunity cost of producing the 7th ton of cheese?

A) 16 DVDs per ton of cheese
B) 8 DVDs per ton of cheese
C) 20 DVDs per ton of cheese
D) 28 DVDs per ton of cheese