Landen Corporation uses a job-order costing system. At the beginning of the yer, the company made the following estimates: Direct labor-hours required to support estimated production 90,000 Machine-hours required to support estimated production 45,000 Fixed manufacturing overhead cost $ 252,000 Variable manufacturing overhead cost per direct labor-hour $ 2.40 Variable manufacturing overhead cost per machine-hour $ 4.80 % During the year, Job 550 was started and completed. The following information is available with respect to this job: Direct materials $ 236 Direct labor cost $ 371 Direct labor-hours 15 Machine-hours 5 Required: e Asume that Landen has histotically 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. If Landen uses a markup percentage of 200% of its total manufacturing cost, what selling price would it establish for Job 5507 Note: 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: 1a. Predetermined overhead rate b 1b. Total manufacturing cost of Job 550 1c. Selling price 2. Machine-hours: 2a Predatarminad nverhead rate ner MH