a) Explain what operation analysis is and using example; discuss the stages in an Operations Analysis study. (8 marks) b) Give an economic interpretation of Hawkins Simon Conditions in the three industry case. The Leontief matrix is given by; [1-a012 -013 I-A=-21 1-022 -023 -31 -032 1-a33] and give their economic interpretation (6 marks) c) A client is faced with a maximizing problem given by the following non linear programming model; Maximize Subject to U = xy x + y 100 x40 and x, y 0 As a consultant formulate the Lagrangian Function and Kuhn-Tucker conditions (6 marks) d) Discuss the limitations of operations analysis in its application in economics and business environments (5 marks)