Help with X-Ray Machine Cost Calculation

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Discussion Overview

The discussion revolves around a cost calculation exercise related to an X-ray machine station, focusing on understanding the concepts of waiting costs, service costs, and fixed costs. Participants seek clarification on how to categorize these costs rather than solving the problem itself.

Discussion Character

  • Homework-related
  • Conceptual clarification

Main Points Raised

  • One participant expresses confusion about identifying waiting costs and service costs in the context of the exercise, noting the presence of fixed costs as well.
  • Another participant reiterates the need for clarification on the same cost categories, emphasizing that they are looking for data rather than solutions.
  • A third participant provides a calculation related to the mean waiting time between arrivals, suggesting that the participant could proceed from there.
  • One participant mentions that the forum typically does not address such questions, indicating a boundary regarding the type of assistance provided.

Areas of Agreement / Disagreement

Participants generally agree on the need for clarification regarding cost categories, but there is no consensus on how to approach the problem, and some express frustration with the type of questions being asked.

Contextual Notes

There is a lack of clarity regarding the definitions of waiting costs, service costs, and fixed costs, which may depend on specific interpretations or assumptions not fully articulated in the discussion.

nikosnikos
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I have to solve this exercise and i stuck any help?
we have 20 scietists arrive per hour and the x-ray station can process 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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nikosnikos said:
I have to solve this exercise and i stuck any help?
we have 20 scietists arrive per hour and the x-ray station can process 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!

Your rate constant is 20 is events per hour for scientists, so your mean waiting time between arrivals is 0.05 hour (it's always better to keep everything in terms of the same time unit). Can you take it from there?
 
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I'm looking for the waiting cost and the service cost.. It's already given in the topic the numbers but I'm not sure which is which because there is also a fixed cost included .. I'm looking for the data of the problem not the solution.. i hope i was clear!
 
nikosnikos said:
I'm looking for the waiting cost and the service cost.. It's already given in the topic the numbers but I'm not sure which is which because there is also a fixed cost included .. I'm looking for the data of the problem not the solution.. i hope i was clear!

We generally don't answer these types of questions. This is a math/science forum, not an accounting/business forum. Since you already claim to know the math, you can see you have excess capacity which is costing money. Perhaps someone else will help calculate the costs for you. And please, no more of the "!"
 
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