Below is budgeted production and sales information for Flushing Company for the month of December Product Xxx Product ZZZ Estimated beginning inventory 31,000 units 18,400 units Desired ending inventory 35,100 units 15,400 units Region I, anticipated sales 333,000 units 277,000 units Region II, anticipated sales 190,000 units 145,000 units The unit selling price for product XXX is $4 and for product zzz is $14. Budgeted production for product XXX during the month is a. 523,000 units b. 518,900 units c. 558,100 units d. 527,100 units