-The Table Above Lists Six Points on the Production Possibilities

Multiple Choice

$$\begin{array} { | l | l | } \hline \begin{array} { l } \text { Cheese } \\\text { (tons) }\end{array} & \begin{array} { l } \text { DVDs } \\\text { (thousands } \\\text { ) }\end{array} \\\hline 0 & 60 \\\hline 2 & 56 \\\hline 4 & 48 \\\hline 6 & 36 \\\hline 8 & 20 \\\hline 10 & 0 \\\hline\end{array}$$
-The table above lists six points on the production possibilities frontier for cheese and DVDs. Given this information, which of the following combinations is unattainable?

A) 6 tons of cheese and 34 thousand DVDs
B) 7 tons of cheese and 20 thousand DVDs
C) 2 tons of cheese and 56 thousand DVDs
D) 8 tons of cheese and 21 thousand DVDs