3-block test v3b: Lognormal CAC -> payback months
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Retry with lognormal params supported by Carlo (mean, std).
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VARIABLECAC
lognormal(1200, 300)
Customer acquisition cost modeled as Lognormal with mean 1200 and std 300.
cac
CONSTANTGross margin / month
120
Monthly gross margin per customer ($).
gm
FORMULAPayback months
cac / gm
Payback period in months.
cac
gm
payback
OUTPUTPayback output
Payback (months)
Distribution of payback period.
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