this is practice problem i need help with, thanks in advance.

Tomas and Kayla are new parents to Francis. They have not done any estate planning but feel that now is the time. Their assets include: Tomas - 401k plan with his brother as beneficiary Kayla - Roth IRA with Tomas as beneficiary Kalya - Savings account in her name only with inheritance from her grandmother =$50,000 What estate planning techniques should they pursue? 1. get a last will and testament 2. name a guardian for Francis 3. change the beneficiary on Tomas' 401k to Kayla 4. discuss what Kayla's wishes are for her inheritance account in the event that she (Kayla) passes away 2,4 1,2,3 1,2 1,2,3,4