g "The cost of salaries paid to employees who work in a factory maintaining the heating system is considered:"

Factory overhead

Explanation:

FACTORY OVERHEAD can be defined as the costs which are often incurred during the manufacturing process and they don't include the costs of direct labor and the costs of direct materials which is why FACTORY OVERHEAD are often aggregated into the cost pools as well as been allocated to units produced during the manufacturing period.

In order word FACTORY OVERHEAD can be seen as the total cost which is been involved in operating all of the production facilities of a manufacturing business in which they cannot be traceable directly to a product and it also include the cost of salaries which is been paid to employees who work in a factory .

you want me to join your discord for points?