Gary owns a $500,000 T-20 life insurance policy with an accidental death rider of $250,000.

Gary owns a $500,000 T-20 life insurance policy with an accidental death rider of $250,000. His estate is named as beneficiary. Gary dies when his car falls into a lake. The autopsy shows that he had a heart attack, which caused his death and led to the accident.

What death benefit amount will the life insurance company pay Gary's estate?