Given the information in the table below,calculate (a)the concentration ratio;and (b)the Herfindahl-Hirschman index.
$\begin{array}{cc}
\text { Percent of }\
\text { Firm } & \text { Sales } \
\mathrm{A} & 20 \
\mathrm{~B} & 20 \
\mathrm{C} & 17 \
\mathrm{D} & 14 \
\mathrm{E} & 11 \
\mathrm{~F} & 7 \
\mathrm{G} & 6 \
\mathrm{H} & 3 \
\mathrm{I} & \underline{2}\
&100\%
\end{array}$

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The Answer of Given the information in the table below,calculate (a)the concentration ratio;and (b)the Herfindahl-Hirschman index.
$\begin{array}{cc}
\text { Percent of }\
\text { Firm } & \text { Sales } \
\mathrm{A} & 20 \
\mathrm{~B} & 20 \
\mathrm{C} & 17 \
\mathrm{D} & 14 \
\mathrm{E} & 11 \
\mathrm{~F} & 7 \
\mathrm{G} & 6 \
\mathrm{H} & 3 \
\mathrm{I} & \underline{2}\
&100\%
\end{array}$

Given the Information in the Table Below,calculate (A)the Concentration Ratio;and