Calculate Break-even for New Credit Card Product Launch
OneMain FinancialData Scientist · Technical Screen
Last updated
This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Calculate Break-even for New Credit Card Product Launch states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Scenario
Launching a new credit-card product that earns revenue from an annual fee and interchange fee while incurring cashback costs.
Question
Formulate the break-even equation and calculate the number of active cardholders required to cover all costs given specific fee and cost inputs. How would changes in cashback percentage or annual fee alter the break-even point?
Hints
Total revenue – total cost = 0; solve for active users.
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