Sony provides you with manufacturing data. Sony uses the weighted average method. Determine the equivalent units of production for Sony for the year: Beginning Work in Process (30% complete, $1,300) Ending inventory of Work in Process (70% complete) Total units started during the year 220 units 420 units 3,400 units Multiple Choice 3,494 units. O O 3,400 units. 4,040 units O 3,428 units. O 3,694 units