b) Table 2 shows the activities and cost for each activities. Analyses the estimated cost of the work performed each week given the tasks with their associated costs and schedules shown in the following table. When a task spans more than one week, the costs should be divided equally among the weeks. [10 Marks) Figure 2: Activities and Cost for Each Activities WEEK FINISH START 1 1 2 TASK Mobilization Grubbing Bridge Excavation Install Prefabricated Bridge Back Fill Bridge Install Culverts Rough Excavate Roadway Install Sanitary Sewer Install Water Lines Install Storm Drains Grade and Roll Sub Grade Place and Compact Road Base Place and Compact Asphalt Grade Shoulders Clean Up Demobilize COST ($) 2.000 5,000 2.000 47.000 2,000 10.000 112,000 57,000 69,000 15,000 12,000 42,000 48,000 3,000 1,000 2,000 2 2 3 3 6 7 8 8 1 1 2 2 2 3 6 7 8 8 9 9 9 10 10 10 9 9 10 10 TO