Requiring an integer solution to a linear programming problem decreases the size of the feasible region

Two parcels of land are exchanged. The first parcel is the NW ¼ of the SE ¼ of Section 21 and is valued at $800 per acre. The second parcel is the S ½ of the NE ¼ of Section 22 and is valued at $500 per acre. What is the difference in value between the exchanged properties?

A. $8,000 B. $8,800 C. $12,000 D. $24,000

Which of the following should Clyde most likely emphasize when developing marketing materials for Quick-Clean?

A) environmental impact of Quick-Clean and E-Z Clean washing machines B) negative aspects of E-Z Clean services in comparison to Quick-Clean C) benefits to customers of using Quick-Clean D) statistical data about Quick-Clean sales E) features offered by Quick-Clean