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Winston uses the high-low method. It had an average cost per unit of $6.90 at its lowest level of activity when sales equaled 9,000 units and an average cost per unit of $4.90 at its highest level of activity when sales equaled 18,000 units. What would Winston estimate its total cost to be if sales equaled 5,000 units? Multiple Choice 514,500 $50,500 $22.000 $36,000