III. Consider four investment projects, A1, A2, A3, and A4. Each project has the same service life, and the present worth of each component value (B and C) is computed at 10% as follows: Project A1 A2 A3 A4 C(Cost) $25,000 $9,000 $27,000 $16,000 B (Benefit) 15,000 12,000 35,000 20,000 If the four projects are mutually exclusive, please use the B/C ratio to determine which project would be the best alternative? (20%)