Question

is the oldest forms of promoting the sale of product.

a. Trade Fairs and Exhibitions

b. public relations

c. T.V

d. Radio
​

Answer 1

It’s b). Because tv and radio came in these years and before tv and radio promotion was form by public relations and the idea of promotion in trade fair and exhibition came in these days because at old time there was not any exhibition and large trade fair

Please mark me brainiest

Answer 2

Answer: (b) public relations

Explanation:

Public relations is the oldest form of promoting the sale of product  because tv and radio have been discovered and came in use later . Before tv and radio promotion was done by public relations and the idea of promotion of product in trade fair and exhibition came in these days because at old time there were not any exhibition and large trade fair.

#SPJ3