Suppose Each of the Following Rows Represents the Choice Faced

Suppose each of the following rows represents the choice faced by policy makers given the current set of U.S. institutions and technology. What is the opportunity cost of reducing unemployment from 8 percent to 4 percent? $\begin{array}{|c|c|}\hline \text { Unemployment }& \text { Inflation } \\\hline 10 & 3 \\\hline 8 & 4 \\\hline 6 & 5 \\\hline 5 & 7 \\\hline 4 & 10 \\\hline\end{array}$

A) 4 percentage points of unemployment
B) 6 percentage points of unemployment
C) 6 percentage points of inflation
D) 4 percentage points of inflation