Charitable Remainder Annuity Trusts (CRAT) and Charitable Remainder Unitrusts (CRUT) share all of the following requirements except: Question 30 options: a) The non-charitable beneficiary must retain the interest for life or a period certain not to exceed 20 years. b) They are designed to permit payment of a periodic sum to a non-charitable beneficiary with a remainder to a charity. c) The trust must be irrevocable. d) Future contributions may be made into the trust