In July, Econo Company purchased materials costing $21,000 and incurred direct labour cost of $18,000 Overhead totaled $32,000 for the month. Information on inventories was as follows: July 1 July 31 $6,200 $7,100 Work in process 700 $1,200 Materials Finished goods $3,300 $2,700 17. What were the total manufacturing costs in July? A.$71,000 B.$50,000 C. $69,600 D. $70,100