Ajob order costsystem uses an application tale for applying manufacturing overhead based on expected machine hours and expected manufacturing overhead cost. At the end of the year, underapplied overhead would best be explained by which of the following situations? Select one a. Both actual machine hours and actual manufacturing overhead costs were greater than expected 5. Both actual machine hours and actual manufacturing overtiead costs were less than expected e. Actual machine hours wat greater than expected and actual manufacturing overhead costs were less than expected d Actual machine hours was less than expected and actual manufacturing overhead costs were greater than expected