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Question 5 (1 point) When a constraint line bounding a feasible region has the same slope as an isoprofit line, ( A) there may be more than one optimum solution. O B) the problem involves redundancy. O C) an error has been made in the problem formulation. ( D) a condition of infeasibility exists. O E) None of theseQuestion 6 (1 point) Sensitivity analyses are used to examine the effects of changes in O A) contribution rates for each variable. 0 B) technological coefficients. O 0 available resources. 0 D) All of these 0 E) None of these