A small software development project at Krishna Dhir's firm has five major activities. The times are estimated and provided in the table below. IMMEDIATE PREDECESSOR ACTIVITY a m A 1 4 13 B 1 3 9 15 A b26863 2 Mow + ON 5 B 4 7 16 D E 3 3 a) Find the expected completion time for this project. The expected completion time for this project is (enter your response as a whole number). b) The project variance value of completion time is (enter your response as a whole number)