In 1985, Al and Kelly acquire land for $500,000, with Al furnishing $200,000 and Kelly $300,000 of the purchase price. The title to the property is listed as "equal joint tenancy with right of survivorship." Al died first in 2011, when the land was worth $2,000,000. What is Kelly's income tax basis in the property under each of the following assumptions? (I) Al and Kelly are brothers. (II) Al and Kelly are husband and wife. (III) Al and Kelly are husband and wife, and the land is community property.