For purposes of the WARN Act, "part-time" employees who may be excluded from the "100 or more employees" threshold requirement refers to which of the following? Group of answer choices An employee who works an average of fewer than 30 hours per week. An employee who works an average of fewer than 25 hours per week An employee who works an average of fewer than 20 hours per week. An employee who never works 40 hours or more per week