At the time of his death, Bruce was involved in the following transactions.

	Owned land in joint tenancy with Robin. The land is worth $600,000 and was purchased by Robin 20 years ago for $150,000.
	Owned land in a tenancy by the entirety with Rachel. The land is worth $800,000 and was purchased by Rachel five years ago for $450,000.
	Owned land in an equal tenancy in common with Kate. The land is worth $400,000 and was purchased by Bruce four years ago for $300,000.
	Owned City of Dayton bonds worth $500,000.

What amount is included in Bruces gross estate? Explain.