Ling Company apportions the annual cost of utilities among its departments. The total cost for the year was $122,700. The total area of the building is 615,000 square feet. The company's library occupies an area that is 18 feet by 54 feet. What did the library pay for utilities for the year?

A (U.S.) business math course typically includes a review of elementary arithmetic, including fractions, decimals, and percentages. Elementary algebra is often included as well, in the context of solving practical business problems.