Given the following information, compute the early, late, and slack times for the project network. ID Task Duration Predecessor Additional Lag Relationships Lag A Post Signs 4 B Prepare Site 5 A Finish-start A to B 11 C Lights 6 B D Dig Trenches 4 B E Lay Pipe 6 D Start-start D to E 1 F Back Fill 1 E Start-start E to F 1 G Pave 3 F H Paint Parking Lines 2 G Finish-start G to H 1 I Signage 2 G J Open Lot 3 C, H