Concept:Personal selling is the direct interaction between a seller and a buyer to complete a sale.
Explanation:The question describes a face-to-face meeting between the seller and the buyer for the purpose of making sales.
This is exactly what happens during personal selling.
In personal selling, a salesperson meets potential buyers directly at their homes, offices, or market places.
Mass selling and sale promotion do not require such direct personal contact.
Impulse buying refers to unplanned purchase decisions by the buyer, not a meeting between seller and buyer.
Therefore, the best answer is personal selling.
Answer:C. Personal selling