Select the three correct responses. Ordering activities must provide limited sources of justification when: A. An urgent and compelling needs exists, and following the procedures would result in unacceptable delays B. Limiting order to a specific brand name because the products or services are unique or highly specialized C. New work is a logical follow-on to an original MAS order, provided that the original order was a competitive Schedule order D. The new work is not a logical follow-on to an original Schedule order