a) An indigenous Zambian Investor wants to decide which of the three sectors he should invest his money. The profit from each sector is dependent on the changes in demand during the investment periods. The investor has categorised changes in demand as high, medium and low. His estimated profit for each sector is shown in the table below: Changes in Demand High Medium Low Agriculture Sector $8,000 $4,500 $2,000 Energy Sector $3,500 Tourism Sector $5,000 $4,500 $5,000 $5,000 $4,000 If the investor wishes to invest his money only in one sector, decide which sector will be his choice using i. Maximax Criterion (Optimistic Approach) Maximin Criterion (Conservative Approach) Minimax Criterion (Regret Approach)