how do you find unit produced for february (990)? Glover Company provided the following information

how do you find unit produced for february (990)?
Glover Company provided the following information on expected sales in units: January 1,000 February 900 March 1.200 April 1,300 Glover's policy is to have 30% of next month's sales in ending inventory. On January 1, there were 300 units in inventory Each unit produced requires 2 pounds of material A and 5 units of material D. Material Acosts $4 per pound and material D costs $6 per unit. Glover requires 20% of the next month's production needs in inventory for each type of direct material. On January 1, there were 215 pounds of material A and 412 units of material D in inventory. How many units of material D does Glover expect to purchase in January? 5.190 – Correct! 5.428 792 January February Units to be produced 970 990 * DM per unit X5 DM for production 4,850 4,950 • Des. Ending Inventory 990 Needed 5,840 – Beginning inventory – 412 Unit purchases 5,428