Earliest finish time $($EF$)$ is the earliest time by which a specific activity can be completed, calculated

Group of answer choices

by subtracting the activity$$s estimated duration from the earliest finish time of the activity's predecessor: EF $=$ EF predecessor $-$ Estimated Duration.

by subtracting the activity$$s estimated duration to the activity$$s earliest start time: EF $=$ ES $-$ Estimated Duration

by adding the activity$$s estimated duration to the earliest start time of the activity's succeeding activity: EF $=$ ES succeeding activity $+$ Estimated Duration.

by adding the activity$$s estimated duration to the activity$$s earliest start time: EF $=$ ES $+$ Estimated Duration.