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- What is a underdamped system?A company makes two kinds of door Knobs, standard and deluxe ,the making process cost the company 15$ for the standard and 20$ for the deluxe by making on a grinder and a smoother machines, which they can be run for at most 80 hours a week, each standard one needs 2 hours on the grinder, and 4 hours on the smoother, and each deluxe one needs 4 hours on the grinder and 3 hours on the smoother ,the company sales at 25$,35$ for the standard and the deluxe respectively. To have the profit it wants the company decide to make at least 15 knobs from them at a week, formulate the linear programming model?I’m having trouble solving this problem given to me in relation to textbook (Machine Elements in Mechanical Design 6th Edition by Robert L. Mott, Edward M. Vavrek, and Jyhwen Wang) chapter 12 with the information given. Image below.