Legislator: Your agency is responsible for regulating an industry shaken by severe scandals.
Evaluate
The legislator is saying,
And the regulator responds by saying, .
There is a bit of an Explain Curious Fact vibe going on here: "How come only 400 investigators were hired?"
The legislator's explanation is that the regulator was hoping to have fewer people investigating the scandal.
The regulator's alternate explanation is that the salary for the investigators was too low to even find 500 willing applicants.
Goal
The most common answers for Method are
analogies / distinctions
faulty implications / consequences
alternate explanations
dubious assumptions
This response would qualify as an alternate explanation, so we could head to the answers with that prephrase, but ultimately we'll pick whatever answer matches.