Can this question be answered using the values in this question ?

Given the following information, compute the early, late, and slack times for the project network. ID Duration Predecessor Additional Lag Relationships Lag Finish-start A to B 10 Task Post Signs Prepare Site Lights Dig Trenches Lay Pipe Back Fill Pave Paint Parking Lines Signage Open Lot 6 6 5 6 6 1 2 3 1 1 A B B D E F G G C, H, I Start-start D to E Start-start E to F UOLOIHD WN 2 3 Finish-start G to H 2 ID Task A A B 1 B Lag 10 Lag 2 3 Post Signs Prepare Site Lights Dig Trenches Lay Pipe Back Fill D E D E G F G Pave 6 2 H 1 Paint Parking Lines Signage Open Lot Lag 2 Lag 3 K What is the ES for Activity E? What is the LF for Activity F? What is the slack for the start of Activity C? What is the slack for the start of Activity I? What is the slack for the end of Activity I? What is the length of the project? time periods