300 sales per day decreased by 10% after removing 3 prep items?

McKinsey Case: Digital & Vegan Restaurant Franchise
Neue Antwort am 7. Mai 2021
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Chris fragte am 6. Mai 2021

It mentions 300 sales per day decreased by 10% after removing 3 prep items? But the calculation shows 300*(1-30%) ? Am I missing something?

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Ian
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antwortete am 6. Mai 2021
#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate

Hi Chris,

While I haven't solved this case, I note the following text right above the suggested math of 300*(1-30%):

"We know that if we take out 1 prep item from the dish, we would decrease cost/revenue ratio by 5 percentage points, but the sales/day would also decrease by 10%"

It states sales per day decrease 10% for ONE, not three prep items!

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Clara
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Content Creator
antwortete am 7. Mai 2021
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut

Hello!

I believe there is a typo, since that 30% does not make sense to me.

Cheers,

Clara

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Ian

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#1 BCG coach | MBB | Tier 2 | Digital, Tech, Platinion | 100% personal success rate (8/8) | 95% candidate success rate
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