Exercise $18-26($Algorithmic$)($LO$.6)$

Mason buys real estate for $$2,822,600$ and lists ownership as follows: "Mason and Dana, joint tenants with the right of survivorship."

Mason dies first, when the real estate is valued at $$3,669,380.$ How much is included in Mason's gross estate if Mason and Dana are $($a$)$

brother and sister and $($b$)$ spouses?

a$.$ Brother and sister?

$

b$.$ Spouses?

$