Two critical path activities are candidates for crashing on a CPM network.Activity details are in the table below.To cut one day from the project's duration,activity ________ should be crashed first,adding ________ to project cost. 
Definitions:
Self-Efficacy
An individual's belief in their own capability to execute behaviors necessary to produce specific performance attainments.
Opportunity Recognition
The ability to identify and assess potential business or growth opportunities in the market or environment.
Idea Generation
The creative process of generating new, innovative ideas for potential solutions, products, or improvements.
Formal Methods
Rigorous software and systems design methods used to model, specify, and verify the correctness of systems through mathematical techniques.
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