Below is budgeted production and sales information for Flushing Company for the month of December: Product XXX Product zzz Estimated beginning inventory 30,200 units 19,800 units Desired ending inventory 36,100 units 15,000 units Region I, anticipated sales 323,000 units 280,000 units Region II, anticipated sales 187,000 units 145,000 units The unit selling price for product XXX is $7 and for product zzz is $16. Budgeted production for product XXX during the montliis Ca. 510.000 units b. 515,900 units c. 504,100 units d. 546,100 units