I have to solve this exercise and i stuck any help???(adsbygoogle = window.adsbygoogle || []).push({});

we have 20 scietists arrive per hour and the x-ray station can proccess 45 employees per hour. the company spends a total of $65 per hour per employee. X-ray machines cost $50.000 and the wages and fringe benefits of operators amount to $30.000 per year. how many machines will we buy??? my question is not how to solve the problem (i have a programm to do that) , but i have a hard time to understand which is the waiting cost and which tha service cost and we also have a fixd cost to... help please!!!!!

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# Queuing Theory

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