Lily Corporation Uses Process Costing to Calculate the Cost of Manufacturing

Lily Corporation uses process costing to calculate the cost of manufacturing pool systems. Beginning work in process included 7,000 units 50 percent complete. During the month 15,000 units were completed, 1,400 units remain in work in process at 80 percent complete. Using the average cost method, the equivalent units are:

A) 14,000
B) 18,720
C) 16,120
D) 19,900