Classify the following expenditures as Repairs and Maintenance Expense or Betterment: a. The monthly replacement cost of filters on an air conditioning system, $ 120. b. The cost of replacing a compressor for an ice cream company's refrigeration system that extends the estimated life of the system by four years, $ 40,000. c. The cost of annual tune-ups for delivery trucks, $200. d. The cost of $175,000 for