In September, Jeanette Company purchased materials costing $34,400 and incurred direct labor cost of $22,100. Manufacturing overhead totaled $58,000 for the month. Information on inventories was as follows: September 1 September 30 Materials $10,300 $9,800 Work in process 6,500 7,400 Finished goods 3,630 2,970 What was the cost of direct materials used in production for the month of September? a. $34,900 b. $33,900 c. $35,300 d. $33,500