OM Construction Company must choose between two types of cranes. Crane A costs $600,000, will last for five years, and will require $60,000 in maintenance each year. Crane B costs $750,000, will last for seven years, and will require $30,000 in maintenance each year. Maintenance costs for cranes A and B occur at the end of each year. The appropriate discount rate is 12 percent per year. Which machine should OM Construction purchase? A) Crane A, because EAC is $226,444 B) Crane B, because EAC is $194,33 C) Crane A, because its PV is $816,286 (i.e., less than the PV of Project B) D) The answer cannot be calculated because the revenues for the project are not given.