2) Under periodic system, what is the moving average cost on January 31?

The following data are extracted from the records of an entity relating to an inventory item. Units Unit cost Total cost July 1 Beginning purchase 200 1,000,000 10 Purchase 5,000 250 1,250,000 15 Sale 7,000 16 Sale returns 1,000 30 Purchase 16,000 150 2,400,000 31 Purchase return 2,000 150 300,000 5,000