It's good to fill in for coworkers that need help.
Percy has a co-worker in his company that is sick and is missing work.
Percy wants to respond to his co-worker's absence.
Percy tells his co-worker he will do their work for them since they are sick.
Percy tells his co-worker that they will need to catch up with their work when they are better.
The company will be able to maintain pace as work is done.
The company will be off schedule because of the missed work.