Suppose your indifference curves are flatter than your budget line, as described in part (d). As functions of a, c, px, py , and I, write your demand for good x (i.e., the quantity of x in your favorite bundle that you can afford), and your demand for good y (the quantity of y in your favorite bundle that you can afford). As in (c), neither of those functions will have all of the variables a, c, px, py , and I in them, and some of those variables will not be in the demand for either good