Aaron’s been running Shopping ads for some time, and he’s interested in experimenting with ways to improve sales performance by using additional features. Which benefit might he obtain by using Merchant Promotions?

When he adds promotions to products he sells on Google, shoppers will see a “special offer” link. – CORRECT
When he adds promotions to products he sells on Google, he can be sure the ROI for featured products will increase.
When he adds promotions to products he sells on Google, he’ll be able to increase his product group structure.
When he adds promotions to products he sells on Google, the discount won’t display during a search, but it will be transmitted to sites that collate discount offers.