Exercise 2 4 C 8 EV8-2 2 2 2 Legend O A 4 1 1 1 6 4 10 ES ID EF SLRES SL 1 4 5 5 D 10 10 F 12 LS OUR LF 0 1 0 0 20 5 5 10 10 2 12 0 B 5 Use the following heuristics: 0 2 0 5 8 8 Minimum slack Smallest duration 0 5 5 2 2 2 Lowest identification number 7 3 10 ID RES DUR ES LF SL 0 A 1 4 B C 2 4 D 1 5 12 3 Resources scheduled Resources available 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Use the diagram and the table above to answer the following questions. 1) Considering only the technical constraints and disregarding the resource constraints, what is the shortest time that the project can be completed in? 2) Considering only the technical constraints and disregarding the resource constraints, which tasks are critical? 3) Considering the resource constraints as well as the technical constraints, what is the shortest time that the project can be completed in? 4) Which tasks are critical after accounting for the resource constraints