Comprehensive Detailed Explanation:
From the schedule:
Total lead architect hours needed = 16 + 24 = 40 hrs/week
Firm ABC only has 50% of 1 Lead Architect = 20 hrs/week # Needs 20 hrs more Total drafter hours needed = 80 + 80 = 160 hrs/week Firm ABC has 3 Drafters at 100% = 3 × 40 = 120 hrs/week # Needs 40 hrs more Thus, the firm needs 1 Lead Architect (for 20 hrs) and 1 Drafter (for 40 hrs) from the augmenting firm to meet the requirement.
References:
NCARB ARE 5.0 PjM Handbook - Staffing plans and workload balancing

BIM facilitates integrated coordination of multiple disciplines by enabling a shared digital model, reducing conflicts, improving visualization, and enhancing collaboration. It supports clash detection and improves efficiency but does not eliminate construction documents or replace contractors. ARE 5.0 PjM emphasizes technology's role in project delivery.

The mechanical engineer is responsible for responding to coordination markups-such as conflicts between ductwork and fire-rated walls, dampers, or structural components. By requesting a redline work session, the mechanical engineer can collaborate directly with the project architect to resolve spatial, code, and fire protection conflicts, ensuring the integrity of both mechanical systems and building code compliance.
This action aligns with best practices in Quality Control/Assurance (QA/QC) procedures, where inter- disciplinary coordination during the Construction Documents (CD) phase is essential to reduce RFIs and change orders later.
ARE 5.0 PjM References:
NCARB ARE 5.0 Handbook - PjM: "Coordination of drawings and consultant input during documentation" AIA Best Practices: Consultant collaboration and redline review during CD phase AHPP (Architect's Handbook of Professional Practice), 15th ed., Chapter 9: Quality Management

Per AIA A201 General Conditions, the owner is responsible for obtaining and paying for permits and licenses necessary for the project unless otherwise stated. The contractor typically assists by providing necessary information and submitting documents required by local authorities but the ultimate responsibility lies with the owner. The architect facilitates compliance by producing code-compliant documents but does not directly secure permits. This responsibility division is a key concept in ARE 5.0 PjM relating to roles and obligations defined in contract documents.

During schematic design, the architect provides a preliminary opinion of probable construction cost (OPCC) based on conceptual design. This estimate is less detailed but important for budgeting and feasibility analysis.
It helps the owner make informed decisions about project scope and design direction early in the process.
Detailed quantity takeoffs and vendor pricing occur later in the design development or construction documents phases. Verifying bids and approving final budgets are responsibilities tied to later stages. The ARE 5.0 PjM exam highlights early-stage cost estimating as a critical tool for scope control and project feasibility.