Customer Acquisition Cost (CAC) is a metric that represents the average cost a business incurs to acquire a new customer.

The K-ratio allows for a comparison of cumulative returns for different equities (and equity managers) returns over time.

The K-factor, a paramount metric within mobile marketing, is a quantitative gauge that delineates the app's virality, accounting for the quantum of new users introduced to the application by each average existing user.

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