5-24) the town of millbridge has to make a decision on replacing its garbage truck. It has narrowed the choice down to two different models. Model A will initially cost 80,000 and then will cost 5,000 per year to operate for its 20-year life. Model b will initially cost 100,000 and then will cost 2,500 per year to operate for its 30-yr life. Use the annualized cost approach to determine which is a better choice. Assume a discount rate of 5 percent per yr