Eurample 2.7 Anklyzing the as ignment of operators lo multiple machines 3 mitnite to losd a muchine, I minute to un laad a machine. 6 minu es of automatic machio tiaks and e 5 minite to inspect and pack a Rnished part. As show., the analysis begins wits each machurt entyty and the operato standing in front of Ma bine I(M1). The oper anor lomds M-2 wa ks to M-2, loade M-2, wilks to M-3, Joads M-3, V alks to M-1, unicads Mri, loacks M-1, mitpects and packsithe par removed froro M-1, ira els to M-2, and so fort: As shown in figur 2.18 , it alke 12 miatite for the operator and tiree machines to achieve a ceady sate conctition; thereathen a repea ing sycle of 9 minutes i durition oceirs. Ont oiher worde, it potling interrupts the activilies of the operator and be thisee machinen, the 9-mirute gele wis repeat indefinitely. In this example, cost per operator-hour is $15 anct cost per machine-hour $50. In this case two machines should be assigined to an operator. Nov;s, suppose the cost per mlachine hour is unknown. For what range of values of m will the optimum assignment remain the same? Justify your answer. Eurample 2.7 Anklyzing the as ignment of operators lo multiple machines 3 mitnite to losd a muchine, I minute to un laad a machine. 6 minu es of automatic machio tiaks and e 5 minite to inspect and pack a Rnished part. As show., the analysis begins wits each machurt entyty and the operato standing in front of Ma bine I(M1). The oper anor lomds M-2 wa ks to M-2, loade M-2, wilks to M-3, Joads M-3, V alks to M-1, unicads Mri, loacks M-1, mitpects and packsithe par removed froro M-1, ira els to M-2, and so fort: As shown in figur 2.18 , it alke 12 miatite for the operator and tiree machines to achieve a ceady sate conctition; thereathen a repea ing sycle of 9 minutes i durition oceirs. Ont oiher worde, it potling interrupts the activilies of the operator and be thisee machinen, the 9-mirute gele wis repeat indefinitely. In this example, cost per operator-hour is $15 anct cost per machine-hour $50. In this case two machines should be assigined to an operator. Nov;s, suppose the cost per mlachine hour is unknown. For what range of values of m will the optimum assignment remain the same? Justify your