Costs bonus paid to the chief operating officer of the company I. Salary of the marketing department personnel o. Human resources department costs for the year ignment Score: 0.0% q. Annual fee to a celebrity to promote the aircraft r. Hydraulic pumps used in the airplane's flight control system s. Yearly cost of the maintenance contract for robotic equipment t. Prebuilt leather seats installed in the first-class cabin u. Depreciation on factory equipment v. Special advertising campaign in Aviation World magazine w. Oil to lubricate factory equipment x. Masks for use by painters in painting the airplane body y. Decals for cockpit door, the cost of which is immaterial to the cost of the final product z. Salary of chief financial officer Check My Work Save an ignment Score: 0.0% All work saved