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7. During the creativity stage, a client may have a classic insulated galvanized duct system for both supply and return in a zoned multi-floor office. Which value engineering brainstorm idea is likely to save the most labor and material for the HVAC system in this suburban project? A. Improve diffusers B. Use plenum ceiling for return C. Give personal fans to workers who complain about being too hot D. Provide a single point return at the end of a hallway E. Open awning windows 8. According to our textbook author, the number one problem facing building owners and managers today is: A. Payroll for the entire firm B. Insufficient funding for capital improvement, maintenance and operations C. Roofleaks D. Inability to generate two year facilities strategic plans E. Lack of a customer attitude survey