Please help with the following question

Problem 9-07 (Algorithmic) Embassy Club Condominium, located on the west coast of Florida, is undertaking a summer renovation of its main building. The project is scheduled to begin May 1, and a September 1 (17-week) completion date is desired. The condominium manager identified the following renovation activities and their estimated times: Immediate Activity Predecessor Time A 1 B 2 C 4 D A, B, C 6 E AD 5 F C, D 3 G D, E 4 H F 5 a. Which project network is correct? (1) A E A G Start D Finish Start Finish . E (iv) A F | E G Start D Finish Start Finish H E C F Network (iv) b. What are the critical activities? C-D-E-G c. What activity has the most slack time? d. Will the project be completed by September 1? If your answer is zero enter "o". No Project Completion Time is 12 X weeks. If your answer is zero enter "O". Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A 1 No B 2 No 4 Yes D Yes E Yes F No G Yes H No