Exhibit 2-1 Production Possibilities Curve Data -In Exhibit 2-1, the Opportunity Cost of Producing the Fourth

Exhibit 2-1 Production possibilities curve data $$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Consumption } \\\text { Goods }\end{array} & \begin{array} { c } \text { Capital } \\\text { Goods }\end{array} \\\hline 10 & 0 \\9 & 1 \\7 & 2 \\4 & 3 \\0 & 4 \\\hline\end{array}$$
-In Exhibit 2-1, the opportunity cost of producing the fourth unit of capital is:

A) 0.
B) 1 unit of consumption goods.
C) 2 units of consumption goods.
D) 4 units of consumption goods.
E) there is not enough information to estimate the opportunity cost.