Yes, when he said "
I was just thanking the — anyway, I started off without you, and I sold a lot of state secrets and a lot of very important things that we shared", it reveals several things putting him in the IQ-65 slot:
- he knows how to sell things and make receive money
- he knows what a "secret" is.
IQ 65: "They will have difficulty with tasks that require abstract thinking or problem solving. They will struggle with academics and independent living. Occasionally, they may soil themselves, when distracted or too much activity is going on around them causing their brains to short-circuit. However, with proper support, undergarments, and accommodations, they can be allowed to socialize with others."