Choice "B" is correct. When assigning personnel to an engagement, the firm should consider the following factors in achieving a balance of engagement manpower requirements, personnel skills, and individual development and utilization: 1) engagement size and complexity, 2) personnel availability, 3) special expertise required, 4) timing of the work to be performed, 5) continuity and periodic rotation of personnel, and 6) opportunities for on-the-job training.
Choices "d", "a", and "c" are incorrect, based on the above explanation.
