Concept:Advertising is a promotion tool that informs and persuades customers to buy goods or services.
Explanation:One major function of advertising is to persuade buyers.
It convinces them that a product is useful and worth purchasing.
This helps in winning customers and increasing sales revenue.
Packaging is related to product protection, not advertising.
Grading is part of standardization and classification.
Segmenting means dividing the market into groups, not advertising.
Thus, among the given options, persuading is the key advertising function.
Answer:B. Persuading