Ivanhoe Corp. has collected the following data concerning its maintenance costs for the past 6 months.

		Units Produced				Total Cost
July			19,440				$38,880
August			34,560				51,840
September			38,880				59,400
October			23,760				41,040
November			43,200				80,460
December			41,040				66,960

(a1)

Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places, e.g. 2.25.)

Variable cost per unit

$enter the variable cost per unit in dollars rounded to 2 decimal places