Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Time (weeks) Immediate Time (weeks) Immediate Activity a m b Predecessor(s) Activity a m b Predecessor(s) 10 C, E 8 24 A F 14 18 A - I 5 F OOO NA TMOOOT 10 A 12 D, G, H 4 B K 4 I, J 20 C, E a) The expected (estimated) time for activity C is weeks. (Round your response to two decimal places.)