In the following table the activities with their precedence sequence and expected time (days) are listed for a project on which Carl Betterton's construction company is working: Activity Immediate Predecessor(s) Time (days) 7 A 4 6 6 IOM UW B 4 C 4 D 6 E, F 7 Carl's team should be able to complete the project in days. Critical path activities for Carl's project are