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 available with respect to this job: Required: 1. Assume that Landen has histoncally used a plantwide predetermined overhead rate with direct labor-hours as the allocation b 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 pice would it establish for Job 550 2. Assume that Landen's controller believes that machine-hours is a better allocation base than direct tabor-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 calculations to 2 decimal places. Round your Predetermined Overhead Rote answers to 2 decimal ploces and all other onswers to the nearest whole dolior.)