Use the project described in the table to determine the total resources required for activity D if a worker is expected to work half-time (four hours per day) on this project

Activity Duration Predecessor
A 5 days --
B 4 days A
C 5 days A
D 6 days B
E 6 days C, D
F 6 days E
A) 6 hours
B) 40 hours
C) 24 hours
D) 48 hours

C