Q4. Consider the following table, which describes the utility of stakeholder engagement strategies under three potential futures:

a) Calculate the regret matrix for these decisions. b) Which option would you pick using: i) Mini-max regret criteria ii) Pessimistic decision criteria (minimize the worst outcome). iii) Laplaces decision criteria. Show your working in each case.

\begin{tabular}{cccc} \hline Decision & \multicolumn{3}{c}{ Public opinion } \\ & Hostile & Impartial & Favourable \\ \hline Grass roots campaign & -70 & 10 & 20 \\ Do nothing & -40 & 20 & 0 \\ Public apology & -30 & 20 & 10 \\ \hline \end{tabular}