For a part of a construction project (the details of which are shown in Table No. 2, time m), the implementation of the paragraphs of this part was evaluated after 12 days From the start of work on it, the following was found: Activities (2-1), (3-1) and (4-1) were fully completed and (4-2) were completed in 4 days in full, activity (2-1) was completed in 7 days Activity (5-3) has completed one-fifth of it, activity (6-2) is half done, activity (6-4) has completed a quarter of it, and the other activities It has not started yet. It is required to update the project schedule and specify the time of completion and the critical path before and after the update

Agt. 1-2 3 a(day) m(day) b(day) 5 7 1-3 7 1-4 2 3 2-4 7 8 10 2-6 8 11 3-5 4 5 7 4-6 7 8 10 4-7 7 9 5-7 8. 11 6-7 2 3