Please help me on Part A, C, and D. Part B has already been answered. Please show all work without using excel. I need ES,EF,LF,and LS! Thank you so much

Kelle Carpet and Trim installs carpet in commercial offices. Peter Kelle has been very concerned with the amount of time it took to complete several recent jobs. Some of his workers are very unreliable. A list of activities and their optimistic completion time, the most likely completion time, and the pessimistic completion time (all in days) for a new contract are given in the following table: D Time (days) Time (days) Immediate Predecessor(s) Immediate Predecessor(s) m m b Activity A Activity a G 4 6 1 A, E F B 3 4 H 3 1 2 I 10 11 G D 7 8 C J 13 15 E 2 4 B. D K 4 8 HI F 6 9 14 A, E a) Create the AoA diagram for activities A thru K, in the proper AOA format as discussed in the PM problem audio tutorials posted on Moodle. Include on the AoA diagram, for all activities, the expected time, ES, EF, LS, LF in the proper AOA format as discussed in the PM problem audio tutorials. Upload this to the PM Credit Quiz show work link posted in the Credit Quiz work tab on Moodle. b) Activities on the critical path for the project are C-D-E-F-H-K. The total project completion time is 36.33 days. (Round your response to two decimal places.) a b 8 5 3 9 6 2 5 3712712 c) For the given project, the earliest start (ES) and earliest finish (EF) are: (Round your responses to two decimal places.) Activity A MOOON I MUDELI - X EF 6 4 2 10 14 For the given project, the latest start (LS) and latest finish (LF) are: (Round your responses to two decimal places.) Activity K J 1 H G FEU A B LS 14 0 8 LF 14 d) Referring to the standard normal table, the probability that Kelle Carpet and Trim will finish the project in 40 days or less is (Enter as a probability and round your response to two decimal places.)