Question: 7. In a machine shop loading the machine takes 3min, unloading takes 3min. Travel between machines take 3/4min. Inspection takes 2min. The automatic machine cycle

7. In a machine shop loading the machine takes 3min, unloading takes 3min. Travel between machines take 3/4min. Inspection takes 2min. The automatic machine cycle time is 20min. The cost per operator hour is $18/ hour and cost per machine hour is $30/ hour. a. What is the ideal number of machines to assign an operator (rounded to one decimal accuracy)? b. What assignment minimizes the cost per unit produced? c. What would be the repeating cycle time for the assignment in (b)
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