a project has

A project has 79 activites but only 11 activites are discussed here. Activity D, duration = 26 days, IP = unknown Activity E, duration = 17 days, IP = unknown Activity F, duration = 28 days, IP = unknown Activity G, duration = 34 days, IP = unknown Activity M, duration = 14 days, IP = D, E Activity N, duration = 30 days, IP =D Activity P, duration = 27 days, IP = E, F Activity Q, duration = 17 days, IPG Activity X, duration = 24 days, IP = M Activity Y, duration = 24 days, IP = M N Activity Z, duration = 19 days, IP = N, P, Q If you know that EF of D = 41, EF of E = 33, EF of F = 45, and, EF of G = 52, then: EF of X = EF of Y = EF of Z = A project has 79 activites but only 11 activites are discussed here. Activity D, duration = 17 days, IP - unknown Activity E, duration = 13 days, IP = unknown Activity F, duration = 15 days, IP = unknown Activity G, duration = 17 days, IP =unknown Activity M, duration = 53 days, IP =D, E Activity N, duration=66 days, IP =D Activity P, duration : 41 days, IP = E, F Activity Q, duration = 57 days, IP-G Activity X, duration = 26 days, IP = M Activity Y, duration = 31 days, IP IP = MN Activity Z, duration = 22 days, IP = N, P, Q If you know that LF of X = 122, LF of Y = 126, and, LF of Z = 120, then: LS of D = LS of E = LS of F. LS of G =