B is correct because the Product Owner is accountable for maximizing the value of the product and the work of the Developers1, and delaying answers to the Developers can cause waste, rework, and missed opportunities2. E is correct because the Product Owneris responsible for ensuring that the product Increment is valuable and useful for thestakeholders and customers3, and this requires close collaboration and feedback with the Scrum Team and the users4. A is incorrect because the Product Owner does not need to dedicate 100% of their time to the Scrum Team, as they also have other accountabilities such as engaging with the market, managing the product vision, and aligning with the business strategy5. C is incorrect because the Product Owner is not a proxy for the stakeholders, and they should not delegate their role to business analysts or anyone else. D is incorrect because the Product Owner does not need the approval of the stakeholders to decide how much time they spend with the Scrum Team, as they are empowered to make the best decisions for the product. F is incorrect because the Product Owner should not base their time allocation on the complaints of the Developers, but on the value and quality of the product.