Johnson transfers $500000 of securities to an irrevocable trust, which is to pay him an income interest equal to five percent of the trust value determined each year for a term of 15 years. At the end of the 15 vear term the remainder of the property shall pass to St. Philip's Hospital for Children. This is an example of what kind of trust? 1. A grantor retained income trust 2. A charitable lead trust. 3. A charitatle remainder unitrust. 4. A charitable remainder annuity trust