Answer:
which one of two machines should be purchased when the machines are mutually exclusive, have differing lives, and will be replaced at the end of their lives.
Explanation:
The Equivalent annual cost would be used for different reasons such as capital budgeting but the important purpose is that it is usedfor analyzing two or more expected projects having different time period , in which the costs are the most relevant variable.
So according to the given situation, the above represent the answer and the same would be considered