Fabric textile manufacturer using machine -hours as the single indirect -cost rate to allocate manufacturing overhead costs to the various jobs contracted during the year. Webhave following estimates for the company and for the Princess Margaret High School Jacket job : Company Princess Margaret High School Direct materials $20,000 $800 Direct manufacturing labor $10,000 $600 manufacturing overhead cost $30,000 machine-hours 10,000 mh 800mh . Required: a. Determined the annual manufacturing overhead cost-allocation rate. b. Determine the amountbof manufacturing overhead cost allocated to Princess margaret high school c. Determine the estimated total manufacturing costs for the Princess Margaret High School