Landen Corporation uses a job-order costing system. At the beginning of the year, the company made the following 75,eee 37,58e $225, ee0 $ 1.6e $ 3.20 d product ion Direct labor-hours required to support estimate Machine-hours required to support estimated production Fixed manufacturing overhead cost Variable manufacturing overhead cost per direct labor Variable nanufacturing overhead cost per machine-hour During the year, Job 550 was started and completed. The following information is available with respect to this job: Direct materials Direct labor cost Direct labor-hours Machine-hours s 178 s 225 15 Required 1. Assume that Landen has historicaly used a plantwide predetermined overhead rate with direct labor-hours as the allocation base Under this approach a. Compute the plantwide predetermined overhead rate