Smith Industries manufactures a variety of custom products. The company has traditionally used Ka plantwide manufacturing overhead rate based on machine hours to allocate manufacturing overhead to its products. The company estimates that it will incur $1,360,000 in total manufacturing overhead costs in the upcoming year and will use 8,000 machine hours Click the icon to view the additional information about the hazardous waste disposal fees.) Expected usage and costs for manufacturing overhead activities for the upcoming yea are as follows: (Click the icon to view the expected usage and costs.) During the year, Job 358 is started and completed. Usage for this job follows: (Click the icon to view the usage for Job 358) Read the requirements. Requirement 1. Calculate the cost of Job 358 using the traditional plantwide manufacturing overhead rate based on machine hours. Begin by calculating the plantwide overhead rate. First identify the formula used to compute the plantwide overhead rate, then compute the rate (Abbreviations used: MOH manufacturing overhead; mfg manufacturing) Total estimated manufacturing costs Estimated total machine hours Plantwide mig overhead rate