Construction Cost (Competitive Pricing) Open Book Mark-Up  Overhead  Profit  Contingency  ect. Wendel (Open Book) Closed Book Mark-Up  Overhead  Profit  Contingency  ect. Construction Cost Typical GMP (Closed Book) Total Project Cost Cost Savings Bottom Up Contract Price Top Down Contract Price Project Savings Line Same Scope ...more project, less cost. ...cost control … open book project accounting