Need part B resolved only, please:

Tom and Elizabeth purchase land for $3,020,000Tom furnishes $906,000 and Elizabeth $2,114,000 of the purchase price. Title to the property is held as joint tenants with right of survivorship. Elizabeth dies first 10 years later when the land is worth $6,040,000.

a. How much of the property is included in Elizabeth's gross estate?

b. What is Tom's income tax basis in the property?