In order to expand its mailing lists for e-mail advertising, the Outdoor Sports Company has been offering its customers financial incentives if they provide the e-mail addresses of their friends.
Evidence
Offering financial incentives to customers RDIR if they provide the e-mail addresses of their friends risks damaging the integrity of those relationships.
Conclusion
Offering such financial incentives to ~E customers is an unethical business practice.
Evaluate
The argument assumes that if a business RDIR → ~E practice encourages people to act in a way that risks damaging the integrity of their relationships, that business practice is unethical.