3 Landen Corporation uses a job-order costing system. At the beginning of the year, the company made the following estimates: 10 Direct labor-hours required to support estimated production 120, 000 points Machine-hours required to support estimated production 60,000 Fixed manufacturing overhead cost $336, 000 Variable manufacturing overhead cost per direct labor-hour 3.60 Variable manufacturing overhead cost per machine-hour $ 7.20 eBook During the year, Job 550 was started and completed. The following information is available with respect to this job: Print Direct materials $ 206 Direct labor cost $ 238 Direct labor-hours 15 Machine-hours 5 References 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 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.) 1. Direct labor-hours : a. Predetermined overhead rate per DLH b. Total manufacturing cost of Job 550 C. Selling price 2. Machine-hours . Predetermined overhead rate per MH b. Total manufacturing cost of Job 550 C. Selling price