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Cost curves

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Problem A. I am having trouble with the attached self-exercises on pages 139 through 140. Quetions 1, 2,and 9 Please help.

Problem B.Please help complete problems on pages P11 and P12 Nos. 1, 2, 3, 5, 6,and 7. And please use MS Excel software to graph problems 1 and 5.

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Cost curves and other content areas are presented.

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Part A.

1. Running the Economics class would require firstly, booking or renting of the room in which the classes are held, and the lecturer's salary, computer equipments, etc. - which are fixed costs. These are fixed costs because they are independent of the number of students coming in to attend. If text books and other stationary are distributed to students as part of the economics package, then these contribute to the variable costs. The marginal costs for taking in an extra student would be the cost of one extra text-book and a set of stationary items.

2. Yes, MPL ...

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