A city has learned that by buying larger garbage trucks, it could reduce labor costs for garbage removal. Note: All the dollar amounts below are in this year's dollars (constant dollars).

*Cost of trucks today is $400,000.

*Annual savings in this year's constant dollars is $90,000.

*Trucks will last for 4 years and then will be sold for $100,000.

*Discount rate is 3%

Assuming the costs and benefits are incurred at the end of the year, should the city buy the trucks?