-The Highest Herfindahl-Hirschman Index
A)is in Industry X

Multiple Choice

$~~~~~~~\text { Industry } X ~~~~~~~~~~~~~~~~~~~ \text { Industry } Y ~~~~~~~~~~~~~~~~ \text { Industry } Z\\\begin{array}{cccccc}&\text { Market } && \text { Market } && \text { Market }\\\text { Firm } & \text { Share (\%) } & \text { Firm } & \text { Share (\%) } & \text { Firm } & \text { Share (\%) } \\1 & 25 & 1 & 30 & 1 & 30 \\2 & 20 & 2 & 20 & 2 & 30 \\3 & 15 & 3 & 15 & 3 & 15 \\4 & 10 & 4 & 15 & 4 & 10 \\5 & 10 & 5 & 10 & 5 & 10 \\6 & 10 & 6 & 5 & 6 & 5 \\7 & 10 & 7 & 5 & &\end{array}$
-The highest Herfindahl-Hirschman index

A) is in Industry X.
B) is in Industry Y.
C) is in Industry Z.
D) cannot be determined.