Juan has just opened a parking garage. His costs include employee salaries, building upkeep, computer systems, and weekly paid advertisements in local newspapers. In the first month, Juan's revenue has been very low. How can Juan reduce his costs without
affecting the business's productivity and profitability?
A. He can increase the number of employees in the garage.

B. He can increase the number of parking spaces in the garage.

C. He can reduce advertisement expenses.

D. He can decrease the number of assets, such as computers, that the garage owns.