A was recently widowed and is meeting with B to discuss his estate planning. A has two grown children, both married, however one is currently having some trouble with his marriage and has discussed a potential separation. A's main goal is to have his estate distributed evenly between his two sons. A's estate consists mainly of a rather large non-registered account and his home. Given his situation, what is an important consideration regarding his estate planning needs?

a. Providing support for family members is a primary objective that should be addressed in A's estate planning b. A should add his sons as joint owners to his non-registered accounts to limit probate costs c. A's main estate objective should be ensuring liquidity for his estate. d. A's estate plan should be done in a way to address any potential family conflicts