Final answer:
Sirly suggests conducting a social audit to assess and enhance the company's community involvement as part of a marketing strategy aimed at developing a positive corporate image.
Step-by-step explanation:
Sirly is recommending a social audit. This process involves evaluating a company's involvement in the community and its impact on the society at large. It aligns with a marketing strategy that focuses on developing a positive corporate image through responsible corporate behaviors, which may enhance brand reputation and increase consumer trust and, consequently, sales.