Please follow all instructions for a positive rating, thank you

Since retiring from a hotel, Janice Cook is thinking about starting either a specialty restaurant, a franchise fast-food restaurant or a grocery store. Factoring in all expenses and expected sales, the annual returns will depend on the type of restaurant/store. After a careful analysis, Janice developed the following decision table showing the various alternatives with corresponding payoffs under each market condition: (a) Make a tree diagram for the decision table. (b) Find the maximax decision. (c) Find the optimal decision by Hurwicz Criterion with a coefficient of realism =0.4. (d) Find the minimax decision