Her i System Announcements 07:56 PM / Remaining: 33 min. Question 6 Manufacturing costs that cannot be classified as either direct materials or direct labor are known as O nonmanufacturing costs. O selling and administrative expenses. O manufacturing overhead. O period costs. Click if you would like to Show Work for this question: Open Show Work By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Poli