Evaluate the following scenarios for their suitability and effectiveness in implementing Dynamic Product Ads (DPA) on Meta:
- Scenario I: An online bookstore with a large catalog wants to target users who previously visited their site but did not make a purchase.
- Scenario II: A small boutique with a limited range of handmade products aims to target a broad audience unrelated to their website visitors.
- Scenario III: A large electronics retailer targets users who viewed specific products on their website, showcasing those products in their ads.
- Scenario IV: A luxury car dealership wants to use DPA to target users who have visited their site, showcasing various car models.
Determine which scenarios are most suitable for Dynamic Product Ads on Meta.