There are different kinds of rules. Underapplied or overapplied overhead occurs because overhead is applied to jobs using a predetermined rate is a true statement.
This is known too be when the amount of a specific OH applied is said to be less than full amount of actual MOH for that specific period.
Overapplied overhead is known to be when the amount of OH applied is said to be more than full amount of actual MOH for that specific period.
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