Time Attem 1 pts 1H Question 31 The No-Limit discount store chain is designing an employee-training program for individuals at its corporate headquarters. The company's training program manager, Sally, would like to design the program so that the trainees can complete it as quickly as possible. There are important precedence relationships that must be maintained between assignments of activities in the program. Activity Predecessors Duration (days) A 5 B 2 C A 4 D A,B,C 6 Which of the following activities has slack time? OB OA More than one activity has slack time