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Service or selling [trading] companies most often prepare income statement presenting costs by ........., while companies prepare income statement presenting costs by Exercise 4 Company, which provides consulting services, sold a fully depreciated machine bought three years earlier for $30000. It received $40000. How this transaction will be presented in the income statement of this company? Exercise 5 Trading company sold materials worth $4000 for $3000. How this transaction will be presented in the income statement of this company