Grass Company has the following production data for selected months.

Compute equivalent units of production

			Ending work in process
Month	Beginning work in process	Units transferred out	Units	% Complete as to Conversion Cost
January	-0-	35,000	20,000	20%
March	-0-	40,000	10,000	60%
July	-0-	45,000	15,000	30%

Compute equivalent units of production for materials and conversion costs, assuming materials are entered at the beginning of the process. Please clearly explain each step.