John has an estate valued at $5 million. All of his estate assets are liquid, non-qualified assets owned in John's name alone. John is married to Ann. They have incorporated the A/B trust strategy within their estate planning documents. Prior to 2006, John made taxable gifts totaling $1 million. If John dies in 2006, what is the maximum value of assets passing into his "B" trust?
A. $345,800
B. $500,000
C. $1,000,000
E. $2,000,000