1. 如果是Fidelity, 你到你的账户里去挖,是能够看到多少是税前的钱,多少是税后的钱的。即使不是非得离题,你打电话去问,administrator肯定是有账可查的。
2. 如果你的钱还是在401K里,那么不管before or after tax , 任何distribution 都是pro rata, 按比例发给你。关于哪些钱需要再付税,Fidelity会告诉你的。
3. 如果不想动税后的钱,最好的办法是把401K里税后的那部分滚到Roth IRA, 但是啊但是,你必须 take a full distribution of your 401K. You are not allowed to take a distribution of only the after-tax portion. After a full distribution, you can then roll the pre-tax portion to an IRA and the after-tax portion to a Roth IRA. Do not forget, there are RMDs at age 73 for 401K. So take action before the age of 73.