| 21. | The daily operating costs for the cruise ship were too expensive,
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| 22. | One of the disadvantages of PET scanners is their operating cost.
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| 23. | Landing fees are not a big part of airline operating costs.
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| 24. | The Vatican attributed the rising ticket prices to higher operating costs.
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| 25. | Sales were at record levels and operating costs were well managed.
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| 26. | Higher oil prices have also driven up operating costs for manufacturers.
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| 27. | Operating costs fell 30 percent to 46 . 3 million pounds.
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| 28. | Our operating costs are roughly half of some of our competitors.
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| 29. | He credited a reduction in manufacturing and operating costs in Europe.
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| 30. | They should operate cost effectively and maximize the use of resources.
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