Landen Corporation uses a job-order costing system. At the beginning of the year, the company made the following estimates: Direct labor-hours required to support estimated production Machine-hours required to support estimated production Fixed manufacturing overhead cost Variable manufacturing overhead cost per direct labor-hour Variable manufacturing overhead cont per machine-hour 160.000 80,000 $ 480,000 $ 5.00 5 10.00 During the year, Job 550 was started and completed. The following information is available with respect to this job: Direct materials Direct labor cont Direct labor-hours Machine-hours $ 240 $ 233 15 5 Required: 1. Assume that Landen has historically used a plantwide predetermined overhead rate with direct labor hours as the allocation base. Under this approach: a. Compute the plantwide predetermined overhead rate. b. Compute the total manufacturing cost of Job 550 c. If landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 5507 2. Assume that Landen's controller believes that machine-hours is a better allocation base than direct labor hours. Under this approach a. Compute the plantwide predetermined overhead rate. b. Compute the total manufacturing cost of Job 550, c. Landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 550? (Round your intermediate calculations to 2 decimal places. Round your predetermined Overhead Rate answers to 2 decimal places and all other answers to the nearest whole dollar)