Landen Corporation uses a job-order costing system. At the beginning of the year, the company made the following estimates: During the year, Job 550 was started and completed. The following information is avallable 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 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 Lander's controlter 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 calculotions to 2 decimal places. Round your Predetermined Overheod Rate answers to 2 decimal places and all other answers to the nearest whole dollar.)