Caeleb creates a to do list at the beginning of each work day. He makes a list of tasks, estimates the time needed to complete each one, and arranges them so that he works nonstop from 8 am until 5 pm. What should he do differently to most improve his time management? Include only parallel tasks on his to do list. Stop estimating the time needed to complete each task. Schedule time for mental breaks. Color-code the tasks on his list by order of importance