Sussex Corporation's production cycle starts in the Mixing Department. The following information is available for April:

	Units
Work-in-process, April 30 (60% complete)	58,000
Total units in process during April	667,000
Work-in-process, April 1 (25% complete)	87,000

Materials are added at the beginning of the process in the Mixing Department. What are the equivalent units of production for the month of April, assuming Sussex uses the weighted-average method?

	Materials		Conversion Costs
a.	580,000		622,050 units
b.	609,000		564,050 units
c.	667,000		643,800 units
d.	746,750		678,600 units