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 Variable manufacturing overhead cost per direct labor-hour Variable sanufacturing overhead cost per nachine-hour 135,000 67,500 $378,000 $ 4.20 $ 8.40 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 $ 196 $ 238 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 550? 2. Assume that Landen's controller believes that machine-hours is a better allocation base than direct labor-hours. Under this 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 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 selling price would it establish for Job (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) 5507 per DLH 1. Direct labor hours a. Predetermined overhead rate b. Total manufacturing cost of Job 550 Selling price 2. Machine-hours a. Predetermined overhead rate b. Total manufacturing cost of Job 550 c. Selling price per MH SA dtv BB K I 1