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) Total units in process during April Work-in-process, April 1 (25% complete) 42,000 483,000 63,000 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 b 420,000 441,000 483,000 540,750 450,450 units 408,450 units 466,200 units 491,400 units C d