You’re running a Search campaign for an accounting software provider that wants to estimate lifetime customer value as a primary benchmark for performance. They charge $10/mo for Basic service and $20/mo for Pro. Which formula best describes their average lifetime customer value across all service offerings?

You’re running a Search campaign for an accounting software provider that wants to estimate lifetime customer value as a primary benchmark for performance. They charge $10/mo for Basic service and $20/mo for Pro. Which formula best describes their average lifetime customer value across all service offerings?
Ans: ($10)*(% Basic customers)*(Basic average lifetime in months) + ($20)*(% Pro customers)*(Pro average lifetime in months)