Given these tasks, new estimated durations (using the critical chain method) and real durations along a critical path, determine the state of the buffer after the work is done. The buffer size is 10. New Duration Real Duration Remaining in Buffer Task Estimate Zone A 5 6 B 11 17 3 1 D 1 4 Red with 12 remaining Red, with 2 remaining Green with 12 remaining Yellow with 2 remaining Yellow with 12 remaining