Profit element.
CFR · 2024-01-01 · US · Title 14
The reasonable return for a carrier for providing essential air service at an eligible place generally will be set at a flat percentage, typically 5 percent of that carrier's projected operating costs as established under § 271.4, plus any applicable interest expenses on flight equipment.
official document · source cfr-2024 · id 14:§ 271.6