Universal Containers has set up a sales process that requires opportunities to have associated product line items before moving to the negotiation stage.

Which two solutions should a consultant recommend to meet this requirement? Choose two answers.

A. Configure a validation rule that tests the Has Line Item and Stage fields for the correct condition.

B. Configure the opportunity record types to enforce product line item entry before selecting the negotiation stage.

C. Ensure that all sales representatives have access to at least one PriceBook when creating product lines.

D. Define a workflow rule that automatically defaults to a PriceBook and product line item when selecting the negotiation stage.