Solve this general accounting problem

Chapter 6: Job costing Steel Manufacturing uses a job order costing system. During one month, Steel purchased $188,000 of raw materials on credit; issued materials to the production of $215,000 of which $10,000 were indirect. Steel incurred a factory payroll of $159,000, of which $20,000 was indirect labor. Steel uses a predetermined overhead rate of 150% of direct labor cost. The total manufacturing costs added during the period are___.

What is the accounts receivable turnover of this financial accounting question?