A project is represented by the activity durations (estimated at 90% likelihood of completion) and precedence requirements shown in the table. What is the length of the project buffer if this project is managed using critical chain methodology? 
Definitions:
Market Segmenting
The process of identifying and targeting discrete groups within a larger market, each with its own set of needs, preferences, or characteristics, for more focused marketing efforts.
Standardization
The process of making something conform to a standard.
Commercial Aircraft
Airplanes designed and utilized for transporting passengers and cargo, operated by airlines and leasing companies.
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