Instead of receiving a yearly salary, Pierre now runs a tour guide service, which he operates from the bottom floor of a building he owns, a space he previously rented to shopkeepers. He pays each of his two staff members a fixed rate per tour conducted. He and his staff ferry tourists around in several vans, for which Pierre must cover gas and maintenance costs and that he could rent out or use for his own enjoyment if he weren't using them in his business. To calculate Pierre's accounting profit, you would use _____.
Group of answer choices
his previous salary and the rent he previously received for the bottom floor of his building
the pay of his staff and the gas and maintenance of his vans
the rent that he could receive for his vans and the pay of his staff
the rent he previously received for the bottom floor of his building and the gas and maintenance of his vans