Northwind Energy sells renewables subscriptions in Europe. Growth has been strong and the board has asked whether it is profitable growth.
Marketing spends €30 M a month and acquires about 3,445 new customers in that time. Average revenue per user is €1129 a month at a 83% gross margin. Monthly logo churn runs at 4.7%.
Roughly 80% of new customers come through paid channels; the rest arrive organically but are counted in the same blended figure. The CMO reports a healthy LTV/CAC and wants to double the budget.
Advise the board. Your answer should provide:
State any assumptions you make.
80 points, 60% to pass.
CAC = spend / customers acquired. LTV = ARPU x gross margin x 1/churn. Judge on payback period and on unblended channel economics.