Landis Company uses a job order cost system in each of its two manufacturing departments. Manufacturing overhead is applied to jobs on the basis of direct labor cost in Department A and machine hours in Department B. In establishing the predetermined overhead rates for 2019, the following estimates were made for the year: Department D Department E Department K
Manufacturing overhead $990,000 $1,750,000 $1,080,000
Direct labor costs $1,237,500 $1,875,000 $675,000
Direct labor hours 150,000 125,000 60,000
Machine hours 600,000 750,000 120,000

During January, the job cost sheets showed the following costs and production data.

Department D Department E Department K
Direct materials used $210,000 $189,000 $117,000
Direct labor costs $180,000 $165,000 $56,250
Manufacturing overhead incurred $148,500 $168,000 $118,500
Direct labor hours 12,000 16,500 5,250
Machine hours 51,000 67,500 10,410

Required:
a. Compute the predetermined overhead rate for each department.
b. Compute the total manufacturing costs assigned to jobs in January in each department.
c. Compute the under- or overapplied overhead for each department at January 31.