Please help me match

For each scenario below, which type of observational research would your recommend? Determine the best based upon efficiency (fast, no waste), effectiveness (leverages strength of the survey method) and cost (lowest possible for the task). Hint: Recommend each method only once. There are 6 scenarios and 8 methods, so 2 will not be used. [Choose ] Learning what selling points retail sales people commonly use to present your product to potential customers | Choose [Choose ] Understanding where online shoppers go next after they "bail out" of your website's e- commerce ordering process [Choose ] Studying consumers actual use of various media (internet, TV, radio, etc.) throughout the day Gauging the impact of a potential new product on consumer's shopping behavior [Choose] [Choose] Measuring the actual in-market impact of temporary promotional end-aisle displays on sales of your product [Choose] Tracking the level (volume) and sentiment (positiveeutralegative) of online conversations about your brand Ethnographic Research Scanner-Based Research Behavioral Targeting Mobile Research Social Media Monitoring Experiments Virtual Shopping Mystery Shoppers