The Table Below Shows the Prices and Quantities of Three $\quad$

Essay

The table below shows the prices and quantities of three commodities for six consecutive
years.
$\quad$$\quad$$\quad$$\quad$$\text {Commodity A}$$\quad$ $\quad$$\text {Commodity B}$$\quad$$\text {Commodity C}$
$\begin{array} { c c c c c c c } \hline \text { Year } & \text { Price } & \text { Quantity } & \text { Price } & \text { Quantity } & \text { Price } & \text { Quantity } \\\hline 1 & 250 & 1200 & 121 & 3200 & 675 & 1800 \\2 & 255 & 1500 & 115 & 3500 & 700 & 1900 \\3 & 253 & 2700 & 128 & 2400 & 714 & 2100 \\4 & 255 & 1800 & 126 & 2800 & 721 & 2500 \\5 & 259 & 2100 & 129 & 2700 & 725 & 3100 \\6 & 261 & 2000 & 135 & 2500 & 734 & 3900 \\\hline\end{array}$ a. Compute the Laspeyres price index for the six-year period, using Year 1 as the base period.
b. Compute the Paasche price index for the six-year period, using Year 1 as the base period.
c. Plot the Laspeyres and Paasche indexes on the same graph. Comment on the
differences.