Use the Following Information to Answer This Question About the Country

Multiple Choice

Use the following information to answer this question about the country of Polity:
$$\begin{array} { l c c c c } & 2000 && { 2001 } \\\hline \text { Good } & \text { Quantity } & \text { Price } & \text { Quantity } & \text { Price } \\\hline \text { Guns } & 4000 & \$ 4 & 4500 & \$ 6 \\\text { Butter } & 5000 & \$ 3 & 5200 & \$ 2 \\\hline\end{array}$$
Using a fixed-weight price index with 1998 as the base year,what is the percent change in real output from 2000 to 2001?

A) 8%
B) 10%
C) 12%
D) 15%