janet, a buyer for a department store, is looking for information about the latest fashion trends. what should she do? multiple choice question. spend some time surveying social media sites to learn about customer likes and dislikes. adjust the forecast to exclude the effects of uncontrollable factors that affect sales. avoid using focus groups, because they seldom provide insights into customer preferences. solely rely on historical sales data, because the trends predicted are relatively constant and predictable for every product.