What is the future worth of Polishers 1,2, and 3?

Final Finishing is considering 3 mutually exclusive alternatives for a new polisher. Each alternative has an expected life of 8 years and no salvage value. Polisher 1 requires an initial investment of $20,600 and provides annual benefits of $4,455. Polisher 2 requires an initial investment of $11,600 and provides annual benefits of $1,960. Polisher 3 requires an initial investment of $19,600 and provides annual benefits of $3,690. MARR is 14%/year