If MARR= 12%, Consider the following alternatives: Project A Project B Equipment cost Project 80,400 Project 47.800 75.450 Installation cost 10.000 25,000 20.000 40.000 Annual income 50.000 22,600 15.100 24,000 Useful life (years) 10 25.000 10 10 10 Known ROR 17% 18% 12% 11.90% Find the value of the final incremental ROR.
A)6.5%
B) 6.10%
C)6.75%
D)5.25%