Wisdom Toys has budgeted sales and production over the next quarter as follows:

Unit Sales Production

September43,000 44,400

October 50,000 52,800

November 64,000 61,200

The company requires that 20% of the next month's sales in units are on hand at the end of each month. December sales are expected to be 50,000 units. How many video games are in inventory at October 31?

A12,800 units

B 34,400 units

C 4,000 units

D 10,000 units