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Additional information. - Functional costs do not include depreciation or employee costs. - Depreciation expense pertains 60% to warehousing cost, 30% to administrative costs, and 10% to distribution expense. - Employee wages, salaries, and benefits pertain 20% to warehousing and merchandising. 50% to administrative costs, and 30% to distribution expense. - The company's income tax rate is 20%. Assume that the tax rate pertains to all elements of revenue, expense, gain, and loss. minus sign.) 15 should be