Knowledge Check $01$

Indirect labor includes: $($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.$)$

$2$ labor of employees working directly on the product.

labor of the maintenance employees.

$?$ labor of the clerical staff.