Answer:
D. Both Seats used in the motorcycles and Wages of motorcycle assembly workers are corre ct
Step-by-step explanation:
The direct cost is that cost which is directly related to the production process of a product
The examples - direct material cost, direct labor cost, etc
Since the seats are required to make the motorcycle, and the assembly workers wages are considered so that the labor can make the motorcycle a finished product
And, the rent of the manufacturing facility is an indirect cost which is not included in the direct cost