Normandy Merchandising sells a computer game called "Air Raid" and has predicted the following sales for the first six months of next year: 1,000 in January; 1,200 in February; 1,100 in March; 1,300 in April; 1,400 in May; and 1,300 in June. The company desires ending inventory to be 30% of the next month's sales. How many units should be purchased in February?

1,170

1,100

1,200

None of these.

1,230