A hotel chain has hired you to determine the reason for a decline in profitability, and recommend a series of solutions.

Interviewee: Okay. At the risk of oversimplifying, we need to assess the basic reasons for the decline in profitability, namely whether revenues are going down or costs are going up. Also, since you mentioned that the entire chain’s performance has suffered, I want to probe into the specific sites—that is, whether certain sites performing well when others are not, and what the reasons for the varying performance might be....

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