-Refer to the Table in the Exhibit

Multiple Choice

$$\begin{array} { l c c c } \hline \text { Product } & \begin{array} { c } \text { Quantity in } \\\text { market basket } \\\text { (no.) }\end{array} & \begin{array} { c } \text { Price in } \\\text { base year } \\( \$ ) \end{array} & \begin{array} { c } \text { Price in } \\\text { current year } \\( \$ ) \end{array} \\\hline \text { Bread } & 10 & 1.00 & 1.50 \\\text { Milk } & 5 & 1.00 & 2.00 \\\text { Chewing gum } & 50 & 0.20 & 0.50 \\\hline\end{array}$$
-Refer to the table in the exhibit.How much did the price index change from the base year to the current year?  

A)  The price index increased by 100 percent. 
B)  The price index increased by 50 percent. 
C)  The price index decreased by 100 percent. 
D)  The price index decreased by 50 percent.