Hello tutor, please solve the following in detail to the best of your abilities. Thank you

1. In a given project network, each activity has the same format (cells) as Earliest Start Time (EST,) Earliest Finish Time (EFT)) Duration , Latest Start Time(LST)) Latest Finish Time (LFT)) Fill the empty cells in the group below and highlight the critical path. a. What is the project completion time? b. If activity D finishes at time 8, will the project be delayed? c. If activity E duration was reduced to 4, would the project completion time decrease