Curtis Incorporated uses a job order cost system. Manufacturing overhead is applied on the basis of direct labor cost. Total manufacturing overhead was estimated to be $$30,000$ for the year; direct labor was estimated to total $$150,000.$Additional information for the year is as follows: Beginning Inventory $(1/1)$Ending Inventory $(12/31)$Raw Materials Inventory$ $10,800$$ $13,800$Work in Process Inventory$23,40017,500$Finished Goods Inventory$34,90039,600$Raw materials purchases$ $116,000$Direct materials used$106,700$Direct labor$146,500$Indirect materials used$6,300$Indirect labor$16,900$Factory equipment depreciation$24,900$Factory rent$19,700$Factory utilities$9,200$Other factory costs$7,400$Required:Calculate the predetermined overhead rate.Calculate cost of goods manufactured.Calculate the over$-$ or underapplied overhead.Calculate adjusted cost of goods sold.