The best decision is to select the machine that has the lowest equivalent annual cost.
In accounting, the equivalent annual cost means the incurred cost of owning, operating, and maintaining an asset over its entire useful life
Usually, the higher the EAC, the lesser the profit made because the chunk of the revenue will be spent to maintain the asset for continuation of production in such business.
Therefore, the machine with the lowest equivalent annual cost sould be considered,
Therefore, the answer is E because it is the best decision to select the machine that has the lowest equivalent annual cost..
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