question 2: What is the fixed portion of the maintenance costs? Brett Company uses the high-low method to analyze its machine maintenance costs. Here is the data: At the high activity level, there were 22,000 machine hours which cost $68,800; at the low activity level, there were 16,000 machine hours which cost $55,000 Use this information to answer the following question: Your Answers (money) SUBMIT r GRADE: 97% TIMER: 04:36