Feedback is most effective when it's specific rather than general

Write the dual of the following linear program:

Maximize 3 X1 + 5X2 Subject to: 4 X1 + 2 X2 ? 44 X1 + 2 X2 ? 24 X1, X2 ? 0

Which of the following is true about pure risks?

A) The risk/return tradeoff is applicable to pure risks. B) A firm cannot profit from its exposure to pure risk. C) Risk managers must be tolerant of negative outcomes related to pure risks. D) Pure risk is not a source of great concern for risk managers.