A project is resource leveled without resource$-$limited constraints and the project did not extend beyond its required completion after leveling. Which of the following must have been false?

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Group of answer choices

The critical path of the project had negative slack.

Tasks using the same resources that were leveled were not on the critical path.

At least one of the activities using the resources that were leveled had positive slack.

The project had adequate positive slack in all the paths to accommodate the leveling.