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Calculation question - data sources

On the calculation of profits for model 2 (try on shop + online), where do the €50/month/m²  and 500 m²/store come from? on the exhibit, I see 5 euros/m2 and 3000 m2.

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Top answer
F
on Feb 06, 2025

Good catch! It’s always important to clarify data sources, especially when calculations don’t seem to match the provided figures. Double-checking whether the €50/month/m² and 500 m²/store were assumptions or if they came from a different part of the analysis might help. If the exhibit shows €5/m² and 3000 m², it’s worth confirming whether the numbers were adjusted for a specific scenario or model variation.

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Mariana
Coach
on Feb 06, 2025
xMckinsey | Consulting and Tech | 1.5h session | +200 sessions | Free 20-min introductory call

Hi Jorge!

I think there is indeed an error in the case resolution. According to my calculations considering the data provided, the rent cost for model two should be 180k ( 5 * 3000 * 12).

Maybe send a message to the coach who has created the case to ensure if that is the case. 

Best,

Mari

Thabang
Coach
on Feb 15, 2025
#1 Rated McKinsey Coach | Ex-McKinsey | Top MBB Coach | Special Offer: Buy 1 Session Get 1 Free (Limited time!)

Hey there, 

Yes, this does appear to be an error with the math solution. 

It was asked and identified in a previous Q+A thread. Additionally, I addressed this here

All the best

Alberto
Coach
edited on Mar 07, 2025
Ex-McKinsey AP | Professional MBB Coach | +13yrs experience | +2,000 real interviews | +150 offers

Hi Jorge,

Thanks for pointing out the typo. I'll fix it.

Best,

Alberto