Landen Corporation uses job-order costing. At the beginning of the year, it made the following estimates: During the year, Job 550 was started and completed. The following information pertains to this job: Required: 1. Assume 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 seling price would it estabilsh for Job 550 ? 2 Assume Landen's controller belleves that machine-hours is a better allocation base than direct labor-hours. Under this approach a. Compute the plantwide predetermined overnead 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 ? Note: Round your Intermedlote calculotions to 2 decimal places. Round your Predetermined Overhead Rate answers to 2 decimal places and all other answers to the neorest whole dollar