A manufacturing process consists of three sequential operations. At maximum capacity, operation A can output 120 units per hour, Operation B can output 135 units per hour, and Operation C can output 130 units per hour. There is one worker assigned to each of the three operations. Working at the maximum capacity level, what would be the labor productivity rate for this process?
A) 40 units per labor hour
B) 45 units per labor hour
C) 44 units per labor hour
D) 38 units per labor hour