10. Determine the estimated cost of the work performed each week given the tasks, with their associated costs and schedules-shown in Table 7-3 . When a task spans more than one week, the costs should be divided equally among the weeks. Table 7-3 Data for Problem 100 Week Task Cost ($) Start Finish Mobilization 1,000 Grubbing 4,000 Rough Excavate Roadway 24,000 Grade and Roll Sub Grade 1,000 Place and Compact Road Base 8,000 Place and Compact Asphalt 12,000 Grade Shoulders 1,000 Clean Up 1,000 6 Demobilize 1,000