Job 450 requires $10,800 of direct materials, $8,700 of direct labor, 600 direct labor hours, and 430 machine hours. Manufacturing overhead is computed at $20 per direct labor hour used and $18 per machine hour used. The total cost of Job 450 is O A. $17,500. O B. $37,240. O C. $29,500. OD. $19,740