Compare three alternatives on the basis of their capitalized costs at i = 10% per year. Alternative E F G
First cost, $ −50,000 −300,000 −900,000
AOC, $ per year −30,000 −10,000 −3,000
Salvage value, $5,000 70,000 200,000
Life, years 2 4 [infinity]

Note that the LCM of 2, 4 and [infinity] is [infinity]