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Which of the following mostly serves as a useful promotional device for consumer goods?

Which of the following mostly serves as a useful promotional device for consumer goods?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Trade mark
  • B Labelling
  • C Standardization
  • D Grading
  • E Packaging
Correct Answer: Option E
Explanation:

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