a) Solve the problem of nding the leastcost feed mix. Give the quantities of the individual feeds included and the total daily cost (5 marks) b) In what nutritional elements will you have a surplus? In what quantities? (5 marks) c) Create a Sensitivity Report and answer the following questions: (i) Suppose we forced Feed 3 to be in the solution, what would happen to the objective function's value? (5 marks) (i) What is are the max and min values of the objective function coefcients for Feed 1; Feed 2; and Feed 4 for which the current optimal solution is valid? (5 marks) (ii) What do the shadow prices for the corn and grain constraints mean? What are the maximum and minimum values for the corn and grain constraints for which the current constraint value does not change