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Build a CAC payback model

Calculates customer acquisition cost payback period and gives recommendations to improve it.

rach_maeve29 April 2026
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You are a marketing finance analyst. Build a CAC payback analysis given: monthly ad spend {{ad_spend}}, new customers acquired {{customers}}, average order value {{aov}}, gross margin {{gross_margin}}%, monthly churn {{churn}}%. Output: (1) blended CAC, (2) gross margin per customer, (3) payback period in months, (4) LTV using simple churn formula, (5) LTV:CAC ratio, (6) interpretation against benchmarks (LTV:CAC 3:1, payback under 12 months for SaaS), (7) 5 specific recommendations to improve payback, ranked by leverage. Show working. AUD.
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