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Grizzly Corp. has planned a simple project with four tasks. The task information for the project is shown below: What is the estimated completion time for the project? A) 19 days B) 23 days C) 18 days D) 16 days Grizzly Corp. has planned a simple project with four tasks. The task information for the project is shown below: Does any task have slack? If so, how much? A) Task C has four days of slack. B) Task B has four days of slack. C) None of the tasks have slack. D) Task D has two days of slack. E) Task C has three days of slack. Activities G, P, and R are the immediate predecessors for activity W. If the earliest finish times for the three are 18,15 , and 17 , then the earliest start time for W cannot be determined. is 18. is 15. is 17