Match the functions of the advertising agency with their descriptions

List-I (Functions)	List-II (Descriptions)
a. Creation of advertisment	1. Making advertisement more appealing to attract buyers
b. Advertising campaign	2. The process of managing publicity of a product
c. Sales promotion	3. The process of expansion of sales of a product
d. Public relations	4. Enhancing the goodwill between clients and other parties

A. a-1, b-2, c-3, d-4

B. a-4, b-3, c-2, d-1

C. a-2, b-4, c-1, d-3

D. a-3, b-1, c-4, d-2

Answer: Option A