Sam and Zoey are husband and wife and live in Texas. Four years ago they used $$500,000$ ?of community funds to purchase an annuity from an insurance company. Under the terms of the contract, Sam is to receive $$50,000$ ?per year for life once he reaches age $65.$ ?If Zoey outlives Sam, she is to receive $$40,000$ ?per year for life. Sam dies first before reaching age $65.$ ?At this time, the value of Zoey's survivorship interest is $$700,000.$ ?Sam's gross estate includes:

$$0.$

$$250,000.$

$$350,000.$

$$700,000.$

None of the above.