1. Please refer the original case description and analysis in the "Vault Guide to the Case Interview, p 82".
2. All right reserved by Joe Hao.
Situation
A new restaurant owner came for suggestions of selecting hand dryer . Initial research suggests three options: paper towels, roller towels and hot air dryers.
Brain Storm
The analysis in the "Vault Guide to the Case Interview" is enriched, so I will not repeatedly discuss it. Such case can be easily expendable to various situation. For example: "What kind of Texas Holdem table should I choose for my casino?" "Which shampoo should I choose for my new hotel? ". Here I will try to build a analytic frame for such kind of case.
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