Knowledge Check 01 One of the problems with using a single plantwide overhead rate method is that: (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) high-volume simpler products are commonly overcosted high-volume complex products are commonly overcosted low-volume complex products are commonly undercosted low-volume simpler products are commonly undercosted