Question 220
A subscription app hopes its assistant increases long-term retained customer value. Which approach is MOST suitable?
Explanation
Correct Answer
Lifetime value incorporates retention and future contribution, not one visit, supporting longer-term customer economic contribution.
Incorrect Answers
Net productivity accounts for rework costs hidden by gross output volume. Its primary purpose is real human productivity benefit, not longer-term customer economic contribution.
Counterfactual measurement limits misleading attribution of gains to AI. It solves defensible economic impact estimate, not longer-term customer economic contribution.
Usage alone does not prove improvement in commercial unit economics. That addresses monetization impact per customer, not longer-term customer economic contribution.






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