CPM-TX55: If LS of D = 19, LS of E = 21, and LS of F = 17, then LF of C = 19 Select one: O True O False D E F G H K L M N O P Q R S T U V w Y 2 AA 1 The information about project TX55 with 13 activities is shown below 2 3 D G N 4 5 Activity A 6 7 STA B H FIN B Immediate Predecessor none none none A B, C c 8 9 D E F K 0 10 11 12 13 DE DE 14 K M M F N P G . HKM 15 16 17 18 19 20 21 22 Project TX55 is completed when activities N, P, and are finished. o