Sofia owns a firm with annual revenues of $$1,000,000.$ Wages, rent, and other costs are $$900,000.$

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$$ Calculate Sofia$$s accounting profit.

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$$ Suppose that instead of being an entrepreneur, Sofia could get a job with one of the following annual salaries $($i$)$ $$50,000$; $($ii$)$ $$100,000$; or $($iii$)$ $$250,000.$ Assume that a job would be as satisfying to Sofia as being an entrepreneur. Calculate Sofia$$s economic profit under each of these scenarios.