5) Evaluate the following 3 alternatives. $1,500 initial cost $1,848 $3,048 annual benefit $1,400 $1,500 $1,200 useful life 2 years 6 years 3 years salvage value $1,000 1,000 $1,500 Identical replacements will be made for A and C at the end of useful lifes. What is the best choice? (i-10%/yr) a) C b)A c)B d) doing nothing