Question: Solve the linear programming model formulated in Problem 29 for Alexis Harrington by using the computer.

a) If Alexis decided to invest some of her own savings along with the money from her inheritance, what return would she realize for each dollar of her own money that she invested? How much of her own savings could she invest before this return would change?

b) If the risk of losing the investment in land increased to 30%, how would this change the optimal investment mix?