Respuesta :
B. Committed time is similar to "sunk costs" in economics. They are costs and time that cannot be recovered no matter what a person does. They are required costs. In this case, committed time is sunk into work, school, or other required daily/weekly activities. This time must be scheduled in advance of any other activities.
the answer is B .Committed time is the period of time spent going to school or work.
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