Xiaoyan is interested in deals that provide invitation-only access to select inventory with flexibility in pricing. Which type of deals are they looking for?

The correct answer is Private Auction because Private Auction deals offer invitation-only access to select inventory, providing advertisers with a competitive edge by allowing them to bid for premium inventory that is not available in the open market. Additionally, Private Auctions offer flexibility in pricing, as the price is determined through competitive bidding between invited participants, rather than being fixed like in a Preferred Deal. This setup allows advertisers to access exclusive inventory while having the ability to adjust bids based on market conditions. In contrast, Preferred Deals involve fixed pricing, and Auction Packages are typically pre-bundled inventory offers, which do not provide the same level of flexibility or exclusive access as Private Auctions.