The housekeeping services department of ruger clinic, a multispecialty practice in toledo, ohio, had $100,000 in direct costs during 2015. these costs must be allocated to ruger's three revenue-producing patient services departments using the direct method. two cost drivers are under consideration: patient services revenue and hours of housekeeping services used. the patient services departments generated $5 million in total revenues during

Combining the emissions released by fossil fuel burning and  the carbon released via land use change, we get a total of 8.7 gt. since the problem states that the oceans "take up" or sequester  2.4 gt carbon  per year, we subtract that value from 8.7 gt, leaving us with 6.3 gt of carbon. since the problem states that 3.4 gt carbon dioxide emissions end up in the atmosphere, the "missing sink" of carbon takes up 2.9 gt, a value we got by subtracting the 3.4 gt amount recorded from the 6.3 gt carbon left available after the oceans sequester the carbon dioxide. 

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