Hm. Not much of a detailed theoretical response, but then it didn't really need one and the person apparently understood the question... may not be fair to expect that much of the point-of-sale person in Golarion, anyways, Keltham isn't sure what Intelligence 10 or Intelligence 12 lets a person do.
"Alright, one quarter-hour of the seventh-circle's time, 100gp." Keltham does have higher hopes for this test than for some others he's run; and with his emotional alarm level where it is, and Keltham's own ability to request a higher monetary salary obviously way above what it was a few months ago, he needs to just start spending money like seriously.