Question 3: Two individuals, a and b, consume goodsx and )1. Their endowments are ma: (6, 15] and tub : (30, 3). Both have identical utility functions U,-(x,-, yd :x;y,-where i: a, b. The price p}: 1 and for simplicity, we write px: p. a. Derive individual i's demand for good x and good y if mfis the income of individual i. (2 marks] b. Derive the equation of contract curve. c. Calculate the equilibrium price p* and the quantity (if, ya], (xb, vbJ)