Below is budgeted production and sales information for Flushing Company for the month of December: Product Xxx Product zzz Estimated beginning inventory 28,400 units 19,400 units Desired ending Inventory 34,500 units 14,000 units Region I, anticipated sales 339,000 units 262,000 units Region II, anticipated sales 185,000 units 146,000 units The unit selling price for product XXX is $7 and for product zzz is $15. Budgeted production for product zzz during the month is Oa. 402,600 units Ob. 408,000 units Oc. 422,000 units Od. 586,900 units