Answer:
Direct labor hour will be 158000
Step-by-step explanation:
We have given manufacturing overhead cost = $510000
An total budgeted manufacturing cost = $984000
So balance variable cost = $984000 - $51000 = $474000
It is given that $3 per direct labor hour
We have to fond the number of labor hours
So number of direct labor hours will be

So dire t labor hour will be 158000