Table 22 Workers in the Widget Industry -According to Table 2

Multiple Choice

Table 2.2 Workers in the Widget Industry
$$\begin{array} { l c r } \hline \text { Year } & \text { Earnings } & \text { CPI } \\\hline 1966 & \$ 8,000 & 60 \\1976 & \$ 15,000 & 100 \\1986 & \$ 22,500 & 178 \\1996 & \$ 30,000 & 205 \\\hline\end{array}$$
-According to Table 2.2,real earnings in the Widget Industry in 1986 were

A) $22,500.
B) $12,640.
C) $11,538.
D) $15,730.