Below is budgeted production and sales information for Flushing Company for the month of December: Product XXX Product zzz Estimated beginning inventory 29,100 units 19,400 units Desired ending inventory 36,300 units 14,700 units Region I, anticipated sales 319,000 units 266,000 units Region II, anticipated sales 181,000 units 145,000 units The unit selling price for product XXX is $6 and for product zzz is $14. Budgeted production for product XXX during the month is a. 536,300 units b. 492,800 units c. 507,200 units d. 500,000 units