Londen Corporation uses a job-order costing system. At the beginning of the year, the company made the following ertimates: During the yeat, Job 550 was started and completed The following information is avalable whth respect to this job: 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 cast of Job 550 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 ? 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