Answer:
B. Breathe deeply.
Step-by-step explanation:
To breathe deeply is not a necessary step when making a schedule. A person is perfectly capable of making a schedule without implementing this step. Nevertheless, breathing deeply has been linked to a wide variety of benefits. Such breathing can allow us to feel calmer and less anxious. It can also make us feel prepared to start work. Therefore, although this step is not necessary, it might still be beneficial.