Part A: (25 marks) comparative advantage and a couple's joint production possibility frontier. Consider the numerical model below, taken from the lecture slides. All numerical values are measured in dollar values of goods produced. a) (1 mark) Insert the entries in the 4th and 5\"1 columns. b) (6 marks) Who has the comparative advantage in the market? At home? Briey explain how you determined this. c) (10 marks) In the diagram on page 3 below, sketch each individual's production possibility frontier (ppf) and the couple's joint ppf. Label all of the intercepts and identify Fred's and Jane's individual ppfs. d) ((8 marks)) Briey explain how the shape of the joint ppf reects your answers to (b)