Answer:
D). Administrative Expenses.
Explanation:
'Administrative expenses' are demonstrated as the expenses that are incurred by the organization besides the key business functions like manufacturing, sales, or production.
As per the question, the salary of the president, office supplies, and depreciation of the office furniture exemplify the 'administrative expenses' as these are the costs or expenses that the company incurs at the corporate level for maintaining the general administration of their business which controls and directs the business. Thus, such expenses are a significant element of the operational budget. Therefore, option D is the correct answer.