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21. Using the CPM method, calculate early start (ES), late start (LS), early finish (EF), late finish (LF) and total float (T
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For the given CPM Mellood and auswer diogram, we use to fill the boxer the choosing us O|5 451459 10018 610/30 La Bolo lust bBelow is the table LS LE TE key Duration 7 22 17 0 20 30 59 45 159 30 45 1o ~ 0 o ó OOO 5 59 50 59 Totol Floot = LS-ES (61) LEDO ES of achiety H » 18. so option a i correct (27-OLF of activity B => 18 I so option it is correct @G TE of activityI draw rough boxes so please fill the boxes based on my table or boxes.... ES means earliest start and EF means earliest finish (take max value of particular activity)

LS means latest start and LF means latest finish (take min value of particular activity)

Total float means LF-EF OR LS-ES... for critical path it is 0....

Comment if any doubt regarding the problem thank you plz up vote if you like my solution

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