A production admin would not solve this by decoration. Choose C. Approval process. The requirement in the stem is: The marketing director is concerned that too many car parts were given away for free last year. They want to track discounts, samples, and Giveaways by Sales Rep. The manager ' s sign-off on free parts also needs to be. The selected option addresses that requirement at the point where Salesforce actually evaluates the behavior.
The underlying concept is approval governance. Approval processes are designed for formal review. They route a request, capture a decision, and can lock or update the record through submission and final actions.
That is why this answer is more defensible than a workaround. It can be reviewed in Setup, included in the correct deployment path, and tested by impersonating or logging in as a representative user where appropriate.
The remaining answers do not control the same Salesforce behavior. A (High Velocity Sales) would be fragile here because it could produce an inconsistent result once different users, records, or apps are tested. B (Quotes) does not fit cleanly; it solves a symptom of the problem rather than the Salesforce mechanism that owns the result. D (Check box) misses the mark because it addresses a neighboring feature area rather than the exact behavior requested. The result is a cleaner app design because the behavior is handled by the feature Salesforce built for that purpose.
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