for activity 8, the latest starting (LS) time is ?

for activity 9, the earliest finishing (EF) time is ?

the slack time of activity 8 is?

the slack time of activity 9 is ?

Number Activity 1 2 3 4 5 6 7 Design house and obtain financing Lay foundation Order and receive materials Build house Select paint Select carpet Finish work Predecessor 1 1 2,3 2,3 5 4,6 Duration Estimates (a, m, b) 2, 3, 6 months 1, 2, 3 months 1, 1, 2 months 2, 3, 6 months 1, 1, 2 months 1, 1, 2 months 1, 1, 3 months Which of the following statement is correct regarding an activity being delayed? If activity 5 is delayed start by one month (compared to its earliest starting time), there would be no impact on the completion of the project If activity 5 is delayed start by one month (compared to its earliest starting time), the resulting completion of the project would be postponed by one month If activity 6 is delayed start by one month (compared to its earliest starting time), there would be no impact on the completion of the project If activity 6 is delayed start by two months (compared to its earliest starting time), the resulting completion of the project would be postponed by only one month