Assume a company had no jobs in progress at the beginning of July and no beginning inventories. It started and completed only two jobs during JulyJob Y and Job Z. The company uses a plantwide predetermined overhead rate based on direct labor-hours. The following additional information from the month of July is available for the company as a whole and for Jobs Y and Z: Estimated total fixed manufacturing overhead $ 13,000 Estimated variable manufacturing overhead per direct labor-hour $