The following table shows both prospective profits and losses for a company, depending on what decision is made and what state of nature occurs. State of Nature Decision $1 $2 $3 d 30 90 -30 dz 105 30 -40 d -75 -10 125 da 25 25 25 Use the information to determine what the company should do. Show your work (regret table). (a) Show a regret table. Decision d dz dz d State of Nature 53 Maximum Regret (b) If an optimistic strategy is used. dz da (c) If a conservative strategy is used. d d da (d) If minimax regret is the strategy. d Od3 da