Landen Corporation uses job-order costing. At the beginning of the year, it made the following estimates:

Direct labor-hours required to support estimated production 135,000 Machine-hours required to support estimated production 67,500 Fixed manufacturing overhead cost $ 378,000 Variable manufacturing overhead cost per direct labor-hour $ 4.20 Variable manufacturing overhead cost per machine-hour $ 8.40 During the year, Job 550 was started and completed. The following information pertains to this job:

Direct materials $ 196 Direct labor cost $ 238 Direct labor-hours 15 Machine-hours 5 Required: Assume Landen has historically used a plantwide predetermined overhead rate with direct labor-hours as the allocation base. Under this approach: Compute the plantwide predetermined overhead rate. Compute the total manufacturing cost of Job 550. If Landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 550? Assume Landens controller believes that machine-hours is a better allocation base than direct labor-hours. Under this approach: Compute the plantwide predetermined overhead rate. Compute the total manufacturing cost of Job 550. If Landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 550?