Assume an Economy That Makes Only One Product and That

Multiple Choice

$$\begin{array} { | c | c | c | } \hline \text { Year } & \text { Units of Output } & \text { Price Per Unit } \\\hline 1 & 3 & \$ 3 \\\hline 2 & 4 & 4 \\\hline 3 & 6 & 5 \\\hline 4 & 7 & 7 \\\hline 5 & 8 & 8 \\\hline\end{array}$$ Assume an economy that makes only one product and that year 3 is the base year. Output and price data for a ?ve-year period are shown in the table. The price index for year 1 is

A) 140.
B) 40.
C) 167.
D) 60.