What two conditions must be met for an order to be allowed for reorder? (Choose two.)

Which two features are present on Magento Open Source? (Choose two.)

Which two areas allow separate configuration by customer groups in Magento Open Source? (Choose two.)

A merchant has a Multiple Select type attribute that does not appear in layered navigation. What could be the reason?

A merchant wants to offer a fixed, reduced price to select groups of customers who are buying a large quantity of a product in a single order.
What pricing feature would be used?