Writerite the research methodologies $($in depth interviews method$)$ on qualitative research of Corporate Social Responsibility $($CSR$)$ and How it Affects Customer Loyalty.

Selected research question for this qualitative research paper are,

RQ$1$: How do a company's CSR initiatives impact customer loyalty?

RQ$2$: Which CSR efforts are most important to customers when remaining loyal to a brand?

RQ$3$: How do customers consider their ethical principles and values when choosing brands to maintain loyalty?