Table 2-2
​ $\text { Ecoville's Production Possibilities }$

Table 2-2
​
$\text { Ecoville's Production Possibilities }$
$\begin{array} { | c | c | } \hline \text { Socks } & \text { Glasses } \\\hline 1,200 & 0 \\\hline 900 & 400 \\\hline 600 & 700 \\\hline 300 & 900 \\\hline 0 & 1,000 \\\hline\end{array}$ ​
​
-Refer to Table 2-2. Which of the following statements is correct?

A) The opportunity cost of an additional 300 socks is constant at 300 glasses.
B) The opportunity cost of an additional 300 socks is constant at 400 glasses.
C) Ecoville's production possibilities frontier is a straight, downward-sloping line.
D) The opportunity cost of an additional 300 socks increases as more glasses are produced.