You are 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 are 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?

  A)  ($10)*(% Basic customers)*(Basic average lifetime in months) + ($20)*(% Pro customers)*(Pro average lifetime in months)
  B)  ($10)*(% Basic customers) + ($20)*(% Pro customers)
  C)  ($10+$20)*(% Basic customers)*(Basic average lifetime in months)/($20)*(% Pro customers)*(Pro average lifetime in months)
  D)  ($10*$20)(Total monthly conversions)/(Total customer count)