need help answering these 2 marketing question

Callie Hi again. I've recently been assigned a project that uses shopping ads, but I'm not super familiar with them. What key components of shopping ads have the biggest impact on ad performance? Shopping ads are new for me as well, but I've learned that keywords are the most important thing to pay attention to. Shopping ads are new for me as well, but I've learned that they need to feature high-quality images that showcase the product, and optimized product title, a call to action, and Select the best customer reviews. response. Shopping ads are new for me as well, but I've learned that A/B testing is what'll make your shopping ads perform best. Hey, I understand shopping ads can be expensive if they aren't done correctly. So, what's your strategy? What are you going to focus on? I'm going to focus on investing more money into the shopping ads that are performing well. I'll mostly focus on A/B testing. This way, I'll be able to see what performs well without making any significant changes to the campaign. Select the best response. I'm going to try and subdivide my groups based on similar bids and use negative keywords. Subdividing the products and creating and organizing those groups so the right bids and negative keywords work together