GInI’s CInP Handbook defines the Back End’s fourth step as finalizing the design, where for products, engineering ensures the design is " consistently manufacturable " and meets the " Design and Innovation Intents " (specific value or experience goals set earlier). Consistency ensures scalable production, while intents tie back to the original vision (e.g., usability, performance). Option A, " manufacturing ready, " is vague and customer satisfaction is an outcome, not intent. Option B, " easy to manufacture, " lowers the bar—GInI seeks consistency, not ease—and " very happy " is subjective. Option D, " within quality limits, " is close but " specifications " is broader than intents, which are strategic. Option C matches GInI’s exact wording and focus, aligning with the original answer, emphasizing fidelity to the innovation’s purpose through robust engineering—a critical Back End discipline.