1. The work-in-process inventory account of a manufacturingcompany shows a balance of $3000 at the end of an accountingperiod. The job-cost sheets of the two incomplete jobs show chargesof $500 and $300 for direct materials and charges of $400 and $600for direct labor.From this information it appears that the company is using apredetermined overhead rate as a percentage of direct labor costs.What percentage is the rate?