Swan, 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 $32.40 per hour. When activity jumped to 25,000 machine hours. which was still within the relevant range, the average total cost per machine hour was $26.40. On the basis of this information, what were total maintenance costs when Swan experienced 23,000 machine hours? {Round your intermediate calculations to 2 decimal places and nal answer to nearest dollar amount.) Multiple Choice 0 $147,200. $634,000. $520,000. $658,300. 0.0