ID Activity Predecessor Time (Days) A Order Review None 2 00 B Order Standard Parts A 15 Produce Standard Parts A 10 D D Design Custom Parts A 13 E 15 C D Manufacturing Custom Hardware 10 Assemble F B, E 5 F Test G The Total Slack (SL) time for Activity E Manufacturing Custom Hardware is day(s). 0 2 1 3 Which activity enjoys the most significant amount of slack? Activity A Order Review Activity C Produce Standard Parts Activity F Assemble Activity B Order Standard Parts Activity F Assemble is a and activity. merge critical merge non-critical burst non-critical lolo burst critical