Use the Following Information for the Three Grains -Calculate the Laspeyres Index

Essay

Use the following information for the three grains. $$\begin{array} { l c c c c } & \text { Price } & 1990 \text { Quantity } & \text { Price } & 2000 \text { Quantity } \\\text { Rice } & 30 & 2 & 35 & 1 \\\text { Wheat } & 25 & 3 & 30 & 2 \\\text { Oats } & 20 & 4 & 25 & 3\end{array}$$
-Calculate the Laspeyres index.