Chapter 4 question 1Information related to the 27,000 desk lamps produced annually follows I'm confused by this for 1-4 what's the steps for it?

Submit Check my work -Direct materials Direct labor $265, 000 Fabricating department (9,500 DLH x $34 per DLH) $323, 000 Assembly department (15, 400 DLH x $30 per DLH) $462, 000 Machine hours Fabricating department 15, 300 MH Assembly department 20,700 MH ipped Expected overhead cost and related data for the two production departments follow. Book Fabricating Assembly Direct labor hours 190,000 DLH 365,000 DLH Hint Machine hours 162,000 MH 122, 000 MH Overhead cost $390,000 $435, 000 Print Required 1. Determine the plantwide overhead rate for Laval using direct labor hours as a base. 2. Determine the total manufacturing cost per unit for the aluminum desk lamp using the plantwide overhead rate. 3. Compute departmental overhead rates based on machine hours in the fabricating department and direct labor hours in the assembly department. 4. Use departmental overhead rates from requirement 3 to determine the total manufacturing cost per unit for the aluminum desk lamps.