Simply, yes, the founding principles of costings are long-run variable costs; they're economic costs. That is to suggest after a period of time, if those costs were not incurred, they would be avoided. That's not to say the president would no longer exist. But if the company decreased in size or increased in size, his responsibilities would theoretically increase or decrease, which would then have a trickle-down effect on the overall organization.
On May 16th, 2006. See this statement in context.