A company has 4 zones(north, south, east, west) and 4
supervisors available for assignment. It is estimated that a
typical supervisor operating in each zone would bring in the
following annual turnover: north:126000, south 105000, east 84000,
west 63000. The 4 supervisors are also considered to differ in
supervisory competencies. It is estimated that working under the
same conditions, the company's yearly turnover would be
proportionately as follows: supervisor I:7, supervisor II: 5,
supervisor III:5, supervisor IV: 4. How should...