The Management of UNICO Department Store Decides to Enclose an

question 5

Multiple Choice

The management of UNICO Department Store decides to enclose an area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. If the pine board fencing costs $15/running foot and the steel fencing costs $5/running foot, determine the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places. ​ ​

• A) 14.31 ft by 84.68 ft
• B) 12.13 ft by 86.86 ft
• C) 14.14 ft by 84.85 ft
• D) 15.68 ft by 83.31 ft

---

Definitions:

Federal Reserve Bank

One of the 12 regional banks in the Federal Reserve System of the United States, which serves as the central bank of the country.

Commercial Banks

Financial institutions that offer a wide range of services, including deposits, loans, and other financial products to both individuals and businesses.

Market Interest Rate

The prevailing rate of interest determined by supply and demand in the financial markets that borrowers must pay to lenders.

Banks and Thrifts

Financial institutions that accept deposits from the public and create credit. Thrifts, such as savings and loan associations, primarily focus on residential mortgage lending.