plumber and corporate management is considering investing into alternative production systems. The system I'm usually exclusive in the cost of new equipment and result in castles are shown in the company table. The firm is a 7% discount rate for your production system Projects.

year zero system one -14,700 system 2 -42,700

year 1 system one 14700 system 2 3100

year 2 System one 14,700 system 2 31,000

year 3 System one 14,700 system 2 31,000

year 4 System one 14,700 system 2 31,000

NPV of system one is: $___?

NPV of system two is: $___?

in which system should the firm invest?