The following information is available for maintenance costs for the first 6 months of the year. Cost and Activity Summary This content is copyrighted Maintenance costs Machine hours January $ 5,200 2,900 February $ 11,200 5,400 March $ 10,960 6,100 April $ 7,040 3,500 May $ 7,220 3,100 June $ 8,900 4,700 Use the high low method to find the variable cost per machine hour based on this information. Note that you are choosing a high point and a low point for this cost function (you cannot mix and match the x and y's that determine a point. Think about whether you should choose the high or low based on activity or cost. Round your answer to the nearest penny and choose the closest answer .