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Wilco Inc. gathered the following information for the past 12 months regarding Total Maintenance Cost and number of units produced. August was an unusual month for maintenance because of a lightning strike at Wilco's manufacturing facility that caused widespread minor damage that had to be repaired. What is the variable cost per unit under the high-low method? What is the variable cost per unit under the high-low method? $22.87 per unit \$14.57 per unit $12.36 per unit $4.48 per unit Some other