If Activity $5($Install Raw Water Mains$)$ does not start until day $56,$ then what issue$($s$)$ would this create? $(2)$

Group of answer choices

If only $1$ excavator is available, then the project duration will increase

If only $1$ excavator is available, then the project duration will not increase

Delaying this activity cannot affect project duration in anyway $($since it is not on the critical path$)$

The project will finish ahead of schedule