a. Paid $78,000 cash to replace a motor on equipment that extends its useful life by four years. b. Paid $390 cash per truck for the cost of their annual tune-ups. c. Paid $312 for the monthly cost of replacement filters on an air-conditioning system. d. Completed an addition to a building for $438,750 cash. 1. Classify the above transactions as either a revenue expenditure or a capital expenditure. 2. Prepare the journal entries to record the four transactions from part 1. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Classify the above transactions as either a revenue expenditure or a capital expenditure. Transaction a b d