In a minimization problem, a positive improvement index in a cell indicates that:
A) the solution is optimal.
B) the total cost will increase if units are reallocated to that cell.
C) there is degeneracy.
D) the total cost will decrease if units are reallocated to that cell.
E) the problem has no feasible solution.
B
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Which of the following is NOT true about early approaches to the study of leadership?
A. Early studies focused on the traits, or personal characteristics, of leaders. B. Researchers believed that the behaviors of effective leaders were the same across all situations. C. The results of many studies were inconsistent. D. Managers and leaders can't be both task-focused and employee-focused.
Service environments, also called ____________ relate to the style and appearance of the physical surroundings and other experiential elements encountered by customers at service delivery sites
a. service planes b. servicescapes c. service boxes d. servicetomies e. service vaults