The budgeted production of World, Inc. is $200,000$ units per month. Each unit requires $15$ minutes of direct labor to complete. The direct labor cost is $$24$ per hour. Calculate the budgeted cost of direct labor for the month.

A$.$ $$2,400,000$

B$.$ $$600,000$

C$.$ $$50,000$

D$.$ $$1,200,000$