Sales promotion offers the potential benefits of cost efficiency, repetition, and adding product value, and slow feedback is a disadvantage of public relations.

Advertising offers the potential benefits of cost efficiency, repetition, and adding product value, and slow feedback is a disadvantage of public relations.

Personal selling offers the potential benefits of cost efficiency, repetition, and adding product value, and cost is a disadvantage of public relations.

Public relations offers the potential benefits of cost efficiency, repetition, and adding product value, and uncontrollability is a disadvantage of public relations.

Advertising offers the potential benefits of cost efficiency, repetition, and adding product value, and media cost is a disadvantage of public relations.