Wallace Heating is attempting to estimate its costs of manufacturing heating clucts for the coming year using the high-low method The cost driver is number of labor hours. Wallace determines that the high and low costs are $26,645 and $19.246, respectively, and the values for the cost driver are 3,964 and 2.452 hours, respectively. What is the variable cost per hour? (Round your answer to 2 decimal places.) Vinable cost per hour