15. Which of the following estate planning tools generally allow Onslo Graham to maintain full control of his assets today' while minimizing estate taxes at his death in the future? I. An A-B trust arrangement funded at his death. 11. A QT]? trust arrangement. HI. An irrevocable living trust arrangement. IV. A funded revocable living trust arrangement. a. I onlyr b. l and H only c. I and 111 only d. 111 and IV only