Given the following chart of jobs assigned with Johnson's rule,suppose that all the jobs (A,B,C,etc)could be evenly divided into two tasks (such as A1 and A2,B1 and B2,etc).Suppose job B is divided into jobs B1 and B2,each with a body work time of 4.5 hours and a paint time of 2 hours.How much is makespan reduced by this splitting of B? 
Definitions:
Sublimation
A defense mechanism in which socially unacceptable impulses or idealizations are unconsciously transformed into socially acceptable actions or behavior.
Altruism
The selfless concern for the well-being of others without expecting any reward.
Passive Aggression
A behavior characterized by indirect resistance to the demands of others and avoidance of direct confrontation.
Moderate Anxiety
A level of anxiety that is noticeable and can hinder some daily activities but does not completely incapacitate the person.
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