Hopefully the remaining money is in an index fund and growing. Larger amounts of money could then be offered. At the very least it could keep pace with inflation.
Can donations be made?
Can donations be made?
Besides, these days the money is mostly beside the point. It is like those Knuth reward checks, https://en.wikipedia.org/wiki/Knuth_reward_check. In most cases, certainly the most recent $500 "happy ending" problem, the bragging rights are worth more than the money.