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

Multiple Choice

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. What is the opportunity cost to Ecoville of increasing the production of socks from 600 to 900?

A) 400 glasses
B) 300 glasses
C) 200 glasses
D) 100 glasses