can somebody help me finish the table I found the answer o chug but not such if it is correct and I still need to solve it for ls lf ts and af = I really don't know how to do ls and lf so if you could let me know how you did the math or share a doc with me it would be great

1. Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below, and identify the critical path for the project. Please provide answers in Table below. Please support your answer.
2. Assume that "Systems Analysis" actually finished at 8 weeks, "Design Input & Output" actually finished at 15 weeks, and "Design Database" actually finished at 19 weeks. Recalculate the expected project completion time. Please provide answers in Table below. Please support your answer.

\f, 6 Safari File Edit View History Bookmarks Window Help ! Q 3 >3 '6? 83% E' Sun7:54 PM Q 0 SE O5V U ' can i courseherocom C a one + v ,,,,,,,,,, ,,,, ,,,,,,,,,, ,,,, ,,,,,,,,,, ,,,,,, ,,,,,,,,, ,,,, ,,,,,,, W l e u Course Hero Search course documents, questions, and more Q Expert Help Study Resources v 0 AH D Successful Project Management (7th Edition) 0 3 Book Edition 7th Edition Author(s) Clements, Gido ISBN 9781337095471 e Publisher Cengage Subject Management Show less details 7 Chapter 5 Exercise 1 Exercise 2 Exercise 3 Exercise 4 All Textbook Solutions / Successful Project Management (7th Edition) / Calculate the ES, EF, LS. and LF times and the slack L Chapter 5, End of Chapter, Questions, Exercise 14 Page '93 Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below, and identify the critical path for the project. Can the project be completed in 30 weeks? Assume that "Systems Analysis\" actually finished at 8 weeks, "Design Input & Output" actually finished at 15 weeks, and "Design Database" actually finished at 19 weeks. Recalculate the expected project completion time. Which activities would you focus on to get the project back on schedule? Develop _. Input Screens Desrgn 5 I I 8 _. Input 8: Output Problem System 3 I I 3 Develop Implement Definition _, Analysis _' Output SYSIEV\" Reports I I I 2 TI IFS Design _, Database 4 15 asco Safari File Edit View History Bookmarks Window Help 68 8 83% Sun 7:54 PM Q DE ... coursehero.com C 808 + v Verified Answer PROJECT MANAGEMENT Successful Project Schedule of showing the calculation of Earliest Start, Earliest Finish, Management (7th Latest Start, Latest Finish, and Total Slack Edition) Estimated Earliest Earliest Latest Latest Tota Activities Duration Start Finish Start Finish Slack 690 . AM CEMENTS . ROSE BAKER Activity PD 2 2 21 23 21 Activity SA 5 2 7 23 28 21 Activity 3 7 10 32 35 25 Book Edition 7th Edition DI&OD Author(s) Clements, Gido Activity D 15 10 25 28 43 18 Activity DIS 8 25 33 37 45 12 ISBN 9781337095471 Activity DOR 10 33 43 35 45 2 Publisher Cengage Activity DD 2 43 45 43 45 Activity TS 6 45 $1 45 51 Subject Management Activity IS 5 51 56 51 56 0 Show less details The critical path activities are Activity DD, Activity TS, and Activity IS since these activities have the lowest slack. The project's earliest finish time is 56 weeks, which is more than 30 weeks. So, the project cannot be completed in 30 weeks. Chapter 5 Recalculation of project timing: Schedule of Recalculation of Project Timing Exercise 1 Estimated Earliest Earliest Activities Duration Start Finish Exercise 2 Activity PD 2 0 2 Exercise 3 Activity SA 6 2 8 Activity 7 15 Exercise 4 DI&OD Activity D 4 15 19 GROUP ACTIVITY 1 Activity DIS 8 19 27 Activity DOR 10 27 37 Exercise 01 Activity DD 2 37 39 Activity TS 6 39 45 CASE QUESTIONS 2 Activity IS 5 45 50 Ready 90%% 118 O 2 ... 16 tv Out TO39 40 Part c Activity ED ES 41 0 IN 42 1. Problem Definition 2 2. System Analysis 6 43 7 44 3. Design Input / Output 4 15 45 4. Design Database 19 46 5. Develop Input Screens 8 27 47 6. Develop Output Reports 10 2 37 48 7. Develop Database 6 39 49 8. Test System 45 9. Implement System 5 50 51 52 53 67