25 % and The Toroco Co. is considering two mutually exclusive pieces of machinery that perform the same task. Year Equipment B ($10,000) Equipment A ($10,000) 5,800 1-2 1-3 NPV at 8% 4,050 437 342 Determine which model should be purchased using the Replacement Chain ( method. a. Calculate the equivalent annual annuity (EAA) for each model