[Solved] XYZ estimates mattress sales: Jan. (29,000); Feb. (40,800); Mar. (34,600); Apr. (36,200). Ending finished goods of December last year is

XYZ estimates mattress sales: Jan. (29,000); Feb. (40,800); Mar. (34,600); Apr. (36,200). Ending finished goods of December last year is 7,000 units. Target ending finished goods is 20% of the next month’s sales. How many units need to be produced in January