The earliest start time rule "compares the finish times for all immediate predecessors of an activity".
<u>Option: B</u>
<u>Explanation:</u>
The equation used only to measure Early Start and Early Finish dates:
Early Start of Operation = Predecessor Early Finish operation + 1.
Early Activity End = Period of Activity + Early Activity Start - 1.
The above given terms are basically dependent on how early a project or an operation may start by having all necessary element like how early a task can be started in given time duration. In same how early a work can be finished in business or another sector with in a given time duration. This helps to calculate a millage of a work performed.
Look it up
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