[Answer] Which is NOT a valid rule related to changing a competitive set?A. If adding two hotels to a competitive set both must be in different chainsB. A single hotel may be added to a competitive set if it has been open less than six monthsC. A single hotel may be added to a competitive set at any timeD. Any change must involve two or more hotels e.g. add one/drop one add two drop two etc.

Answer: C. A single hotel may be added to a competitive set at any time

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Which is NOT a valid rule related to changing a competitive set?A. If adding two hotels to a competitive set both must be in different chainsB. A single hotel may be added to a competitive set if i...

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