the inventory should decrease over time, not stabilize

Question

cost of wine bottle to drink = $30

monthly budget for drinking = $300
consumption/week = 2 bottles

consumption/month = 10 bottles

gift/month = 2 bottles

cost per month = (10 consumption + 2 gift ) x 30 = 360 → -2 deficit → drink from investment bottles → can't sell 120 in the 5th year

your calculation is wrong because you overlooked the gift part. otherwise its not bad. just a silly mistake but a consultant case should be of a good quality no?

Answer 1

I had a mentor in McKinsey who was saying that perfection is the enemy of done. Same here :)

Great that you spotted the mistakes and hopefully the author will correct it. It's indeed virtually impossible to build perfect cases. Even in the interview you're likely to come across some errors.

Best,
Cristian

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Practicing for interviews? Check out my latest case based on a first-round MBB interview >>> SoyTechnologies

Answer 2

Thanks for spotting and reporting the mistake :)

Answer 3

Hi Zeyar,

I recommend you try to write a case and see how you go!

You'll find it's quite easy to have 1 or two mistakes by the end of it all :)

Should it be edited when there's a mistake? Absolutely! That said, probably 30% of cases I've seen (even ones I really like) have some sort of mistake.

But yes, a consultant case *should* be perfect in an ideal world.

Looking forward to seeing your case :)

Answer 4

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