Based on following case study and answer the question. 

Supriya started a garment manufacturing unit. Her objective was to maximise her sales in the very first year. For this she used aggressive selling technique. She got her firm registered with name "Styles Et Styles', which provided distinct identity to her firm. She used the most common tool for promotion, which is an impersonal form of communication. She started giving discount vouchers of her sister's accessories house. For sales promotion, she also started putting up her stalls in exhibitions in order to draw the attention of public.

In getting her firm registered with the name 'Style & Styles', which function of marketing was performed?

Branding

The correct answer is option (3)- Branding.

In getting her firm registered with the name "Style & Styles", the marketing function performed is Branding.

Branding involves creating a unique identity for a product or business, typically through the use of a name, logo, design, or symbol that distinguishes it from competitors. By registering the name "Style & Styles", Supriya is creating a brand identity for her garment manufacturing unit. This brand name helps her firm stand out in the marketplace and be recognized by consumers, which is the core objective of branding.