In July, Noel & Vang Company purchased materials costing $23,100 and incurred direct labor cost of $19,800. Manufacturing overhead totaled $35,200 for the month. Information on inventories was as follows: July 1 July 31 Materials $6,820 $7,810 Work in process 770 1,320 Finished goods 3,630 2,970 What was the total manufacturing costs in July? O a. $77,110 O b. $69,600 c. $71,000 O d. $50,000