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 cost per machine-hour 150,000 75,000 $420,000 $ 4.60 $ 9.20 During the year, Job 550 was started and completed. The following information is available with respect to this job: Direct materials Direct labor cost Direct labor-hours Machine-hours $ 195 $ 288 15 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 rte. 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 550? 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. If Landen uses a markup percentage of 200% of its total manufacturing cost, what seling price would it establish for Job 5507 (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.) 1. Direct labor-hours: per DLH 2. a. Predetermined overhead rate b. Total manufacturing cost of Job 550 c. Selling price . Machine-hours: a. Predetermined overhead rate b. Total manufacturing cost of Job 550 c. Selling price per MH