Landen Corporation uses a job-order costing system. At the beginning of the voar tha canumade the following estimates. buning the year, Job 550 was started and completed. The following information is available with 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 ovethead 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 predetemined 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.)