Song, Inc., uses the high-low method to analyze cost behavior. The company observed that at 20,000 machine hours of activity, total maintenance costs averaged $34.30 per hour. When activity jumped to 27,000 machine hours, which was still within the relevant range, the average total cost per machine hour was $27.30On the basis of this information, the variable cost per machine hour was (Round your final answer to 2 decimal places): On the basis of this information, the fixed cost was On the basis of this information, what were total maintenance costs when the company experienced 25,000 machine hours