Edward manages a delivery company and has noticed that the delivery drivers do not clean out the trucks at the end of the day. Cleaning out the trucks is one of the drivers' responsibilities. How should Edward approach this problem?
a) Ignore the issue as it's not a major concern.
b) Inform the drivers about the importance of cleaning out the trucks and enforce consequences for neglecting their responsibilities.
c) Clean out the trucks himself to set an example for the drivers.
d) Hire additional staff specifically for cleaning out the trucks.