A huge utility company paid P100,000 for five secondhand trucks from a smaller utility company. The automobiles were purchased for P300,000 ten years ago. The vehicles' annual maintenance expenditures...

A huge utility company paid P100,000 for five secondhand trucks from a smaller utility company. The automobiles were purchased for P300,000 ten years ago. The vehicles' annual maintenance expenditures are expected to be P1,500 per year, with each vehicle having a salvage value of P5,000 after four years. Which of the following would the huge utility contractor's economic analysis exclude?